in PLD Linux, windows includes are not packaged
http://lists.pld-linux.org/mailman/pipermail/pld-devel-en/2013-February/023459.html

also, load in patch from gentoo: files/chromium-mesa-r0.patch
--- chromium-browser-26.0.1410.12/ui/gl/generate_bindings.py~	2013-02-21 12:18:08.000000000 +0200
+++ chromium-browser-26.0.1410.12/ui/gl/generate_bindings.py	2013-02-28 11:54:36.763395432 +0200
@@ -1172,7 +1172,7 @@
       'EGL_ANGLE_surface_d3d_texture_2d_share_handle',
     ],
   ],
-  [WGL_FUNCTIONS, 'wgl', ['GL/wglext.h'], []],
+  #[WGL_FUNCTIONS, 'wgl', ['GL/wglext.h'], []],
   [GLX_FUNCTIONS, 'glx', ['GL/glx.h', 'GL/glxext.h'], []],
 ]
 
Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index 80a4d230ad4b82abbaa82f2c328286b9d89da329..d56df6fdb0d851125148a1aac0bedbc487320682 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -355,7 +355,8 @@ void GLES2ShaderBinary(
       n, shaders, binaryformat, binary, length);
 }
 void GLES2ShaderSource(
-    GLuint shader, GLsizei count, const char** str, const GLint* length) {
+    GLuint shader, GLsizei count, const GLchar* const* str,
+    const GLint* length) {
   gles2::GetGLContext()->ShaderSource(shader, count, str, length);
 }
 void GLES2StencilFunc(GLenum func, GLint ref, GLuint mask) {
Index: gpu/command_buffer/client/gles2_implementation.cc
diff --git a/gpu/command_buffer/client/gles2_implementation.cc b/gpu/command_buffer/client/gles2_implementation.cc
index b6c354819ce5d556ff91f7b5273875c3cec83f7a..600c02f3751a2ab72eed498be7ee0f02e628130d 100644
--- a/gpu/command_buffer/client/gles2_implementation.cc
+++ b/gpu/command_buffer/client/gles2_implementation.cc
@@ -1173,7 +1173,7 @@ void GLES2Implementation::VertexAttribDivisorANGLE(
 }
 
 void GLES2Implementation::ShaderSource(
-    GLuint shader, GLsizei count, const char** source, const GLint* length) {
+    GLuint shader, GLsizei count, const GLchar* const* source, const GLint* length) {
   GPU_CLIENT_SINGLE_THREAD_CHECK();
   GPU_CLIENT_LOG("[" << GetLogPrefix() << "] glShaderSource("
       << shader << ", " << count << ", "
Index: gpu/command_buffer/client/gles2_implementation_autogen.h
diff --git a/gpu/command_buffer/client/gles2_implementation_autogen.h b/gpu/command_buffer/client/gles2_implementation_autogen.h
index febcaf45bb5446393c7785196c9ef4a329438d0f..e4a63822ae6b3b9c950b7f9b05f173ce1ecfdb87 100644
--- a/gpu/command_buffer/client/gles2_implementation_autogen.h
+++ b/gpu/command_buffer/client/gles2_implementation_autogen.h
@@ -253,7 +253,7 @@ virtual void ShaderBinary(
     GLsizei length) OVERRIDE;
 
 virtual void ShaderSource(
-    GLuint shader, GLsizei count, const char** str,
+    GLuint shader, GLsizei count, const GLchar* const* str,
     const GLint* length) OVERRIDE;
 
 virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) OVERRIDE;
Index: gpu/command_buffer/client/gles2_interface_autogen.h
diff --git a/gpu/command_buffer/client/gles2_interface_autogen.h b/gpu/command_buffer/client/gles2_interface_autogen.h
index b84dd71bd9139ac487a40847ddb746f839cf3593..8aafc7fd45891be4e2aa61f5825c20d0ccd1dc76 100644
--- a/gpu/command_buffer/client/gles2_interface_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_autogen.h
@@ -152,7 +152,8 @@ virtual void ShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
     GLsizei length) = 0;
 virtual void ShaderSource(
-    GLuint shader, GLsizei count, const char** str, const GLint* length) = 0;
+    GLuint shader, GLsizei count, const GLchar* const* str,
+    const GLint* length) = 0;
 virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) = 0;
 virtual void StencilFuncSeparate(
     GLenum face, GLenum func, GLint ref, GLuint mask) = 0;
Index: gpu/command_buffer/client/gles2_interface_stub_autogen.h
diff --git a/gpu/command_buffer/client/gles2_interface_stub_autogen.h b/gpu/command_buffer/client/gles2_interface_stub_autogen.h
index 3c1c6696b08923142c879aa591b3902339e5874c..80e6c1003ae1be90fcd1a2871ffdde58f7237bff 100644
--- a/gpu/command_buffer/client/gles2_interface_stub_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_stub_autogen.h
@@ -163,7 +163,7 @@ virtual void ShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
     GLsizei length) OVERRIDE;
 virtual void ShaderSource(
-    GLuint shader, GLsizei count, const char** str,
+    GLuint shader, GLsizei count, const GLchar* const* str,
     const GLint* length) OVERRIDE;
 virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) OVERRIDE;
 virtual void StencilFuncSeparate(
Index: gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h b/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
index dce39c0def3ec52499c712afe1f792809c00db28..f097e8cba8e4d13af9027122a36b93f2ec28ae46 100644
--- a/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_interface_stub_impl_autogen.h
@@ -310,7 +310,7 @@ void GLES2InterfaceStub::ShaderBinary(
     const void* /* binary */, GLsizei /* length */) {
 }
 void GLES2InterfaceStub::ShaderSource(
-    GLuint /* shader */, GLsizei /* count */, const char** /* str */,
+    GLuint /* shader */, GLsizei /* count */, const GLchar* const* /* str */,
     const GLint* /* length */) {
 }
 void GLES2InterfaceStub::StencilFunc(
Index: gpu/command_buffer/client/gles2_trace_implementation_autogen.h
diff --git a/gpu/command_buffer/client/gles2_trace_implementation_autogen.h b/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
index 46cbdccccd0e3e4074b1fd919fc6b91d95fe04a5..da02881f9d180bd26f5a2bad2d4e814a9ca085b3 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_autogen.h
@@ -163,7 +163,7 @@ virtual void ShaderBinary(
     GLsizei n, const GLuint* shaders, GLenum binaryformat, const void* binary,
     GLsizei length) OVERRIDE;
 virtual void ShaderSource(
-    GLuint shader, GLsizei count, const char** str,
+    GLuint shader, GLsizei count, const GLchar* const* str,
     const GLint* length) OVERRIDE;
 virtual void StencilFunc(GLenum func, GLint ref, GLuint mask) OVERRIDE;
 virtual void StencilFuncSeparate(
Index: gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
diff --git a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
index 8aff42a6711c38b76e8767057b41fa31fe89f168..8f87a40da0f26f0dd71772e5fbcf519c8b02ad12 100644
--- a/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
+++ b/gpu/command_buffer/client/gles2_trace_implementation_impl_autogen.h
@@ -570,7 +570,8 @@ void GLES2TraceImplementation::ShaderBinary(
 }
 
 void GLES2TraceImplementation::ShaderSource(
-    GLuint shader, GLsizei count, const char** str, const GLint* length) {
+    GLuint shader, GLsizei count, const GLchar* const* str,
+    const GLint* length) {
   TRACE_EVENT0("gpu", "GLES2Trace::ShaderSource");
   gl_->ShaderSource(shader, count, str, length);
 }
Index: gpu/command_buffer/cmd_buffer_functions.txt
diff --git a/gpu/command_buffer/cmd_buffer_functions.txt b/gpu/command_buffer/cmd_buffer_functions.txt
index 2ad875a4aeaf86566c5f0334090f6583468c4781..08d33d963e3450d6fe442b333fb88089b184d86b 100644
--- a/gpu/command_buffer/cmd_buffer_functions.txt
+++ b/gpu/command_buffer/cmd_buffer_functions.txt
@@ -103,7 +103,7 @@ GL_APICALL void         GL_APIENTRY glRenderbufferStorage (GLenumRenderBufferTar
 GL_APICALL void         GL_APIENTRY glSampleCoverage (GLclampf value, GLboolean invert);
 GL_APICALL void         GL_APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
 GL_APICALL void         GL_APIENTRY glShaderBinary (GLsizeiNotNegative n, const GLuint* shaders, GLenumShaderBinaryFormat binaryformat, const void* binary, GLsizeiNotNegative length);
-GL_APICALL void         GL_APIENTRY glShaderSource (GLidShader shader, GLsizeiNotNegative count, const char** str, const GLint* length);
+GL_APICALL void         GL_APIENTRY glShaderSource (GLidShader shader, GLsizeiNotNegative count, const GLchar* const* str, const GLint* length);
 GL_APICALL void         GL_APIENTRY glStencilFunc (GLenumCmpFunction func, GLint ref, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilFuncSeparate (GLenumFaceType face, GLenumCmpFunction func, GLint ref, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilMask (GLuint mask);
Index: third_party/khronos/GLES2/gl2.h
diff --git a/third_party/khronos/GLES2/gl2.h b/third_party/khronos/GLES2/gl2.h
index edebb8b23a56f6a67bb1ecfe5304bb5b372745e6..7aef573b6af7f4e3c76bdfb741374521b2f1eca4 100644
--- a/third_party/khronos/GLES2/gl2.h
+++ b/third_party/khronos/GLES2/gl2.h
@@ -160,7 +160,6 @@ typedef khronos_ssize_t  GLsizeiptr;
 #define GL_INVALID_VALUE                  0x0501
 #define GL_INVALID_OPERATION              0x0502
 #define GL_OUT_OF_MEMORY                  0x0505
-#define GL_CONTEXT_LOST                   0x300E  // TODO(gman): What value?
 
 /* FrontFaceDirection */
 #define GL_CW                             0x0900
@@ -529,7 +528,7 @@ GL_APICALL void         GL_APIENTRY glGenTextures (GLsizei n, GLuint* textures);
 GL_APICALL void         GL_APIENTRY glGetActiveAttrib (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetActiveUniform (GLuint program, GLuint index, GLsizei bufsize, GLsizei* length, GLint* size, GLenum* type, GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetAttachedShaders (GLuint program, GLsizei maxcount, GLsizei* count, GLuint* shaders);
-GL_APICALL int          GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name);
+GL_APICALL GLint        GL_APIENTRY glGetAttribLocation (GLuint program, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetBooleanv (GLenum pname, GLboolean* params);
 GL_APICALL void         GL_APIENTRY glGetBufferParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL GLenum       GL_APIENTRY glGetError (void);
@@ -548,7 +547,7 @@ GL_APICALL void         GL_APIENTRY glGetTexParameterfv (GLenum target, GLenum p
 GL_APICALL void         GL_APIENTRY glGetTexParameteriv (GLenum target, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetUniformfv (GLuint program, GLint location, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetUniformiv (GLuint program, GLint location, GLint* params);
-GL_APICALL int          GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name);
+GL_APICALL GLint        GL_APIENTRY glGetUniformLocation (GLuint program, const GLchar* name);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribfv (GLuint index, GLenum pname, GLfloat* params);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribiv (GLuint index, GLenum pname, GLint* params);
 GL_APICALL void         GL_APIENTRY glGetVertexAttribPointerv (GLuint index, GLenum pname, GLvoid** pointer);
@@ -570,7 +569,7 @@ GL_APICALL void         GL_APIENTRY glRenderbufferStorage (GLenum target, GLenum
 GL_APICALL void         GL_APIENTRY glSampleCoverage (GLclampf value, GLboolean invert);
 GL_APICALL void         GL_APIENTRY glScissor (GLint x, GLint y, GLsizei width, GLsizei height);
 GL_APICALL void         GL_APIENTRY glShaderBinary (GLsizei n, const GLuint* shaders, GLenum binaryformat, const GLvoid* binary, GLsizei length);
-GL_APICALL void         GL_APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar** string, const GLint* length);
+GL_APICALL void         GL_APIENTRY glShaderSource (GLuint shader, GLsizei count, const GLchar* const* string, const GLint* length);
 GL_APICALL void         GL_APIENTRY glStencilFunc (GLenum func, GLint ref, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilFuncSeparate (GLenum face, GLenum func, GLint ref, GLuint mask);
 GL_APICALL void         GL_APIENTRY glStencilMask (GLuint mask);
Index: third_party/khronos/README.chromium
diff --git a/third_party/khronos/README.chromium b/third_party/khronos/README.chromium
index b47cb038c3cc5b51181194a55869842118bf7a56..da2e6c511e33767a458da1a17bd1b78e87779439 100644
--- a/third_party/khronos/README.chromium
+++ b/third_party/khronos/README.chromium
@@ -20,7 +20,6 @@ NOTE: Please add Chromium-specific declarations to files in gpu/{GL,EGL,GLES2}
 and not here.
 
 GLES2/gl2.h
- - Added GL_CONTEXT_LOST constant.
  - Added include of gl2chromium.h
 GLES2/gl2ext.h
  - Added Chromium and Angle extensions.
Index: ui/gl/generate_bindings.py
diff --git a/ui/gl/generate_bindings.py b/ui/gl/generate_bindings.py
index 16f89984bc3d1dc967d6ea3d2c4c1ed799716f8e..8422bbc8baf049f6431cea602a179296698f12b3 100755
--- a/ui/gl/generate_bindings.py
+++ b/ui/gl/generate_bindings.py
@@ -482,7 +482,7 @@ GL_FUNCTIONS = [
 { 'return_type': 'void',
   'names': ['glShaderSource'],
   'arguments':
-      'GLuint shader, GLsizei count, const char** str, const GLint* length',
+      'GLuint shader, GLsizei count, const char* const* str, const GLint* length',
   'logging_code': """
   GL_SERVICE_LOG_CODE_BLOCK({
     for (GLsizei ii = 0; ii < count; ++ii) {
@@ -1584,7 +1584,7 @@ namespace gfx {
     file.write('\n')
     file.write('%s GL_BINDING_CALL Mock_%s(%s) {\n' %
         (func['return_type'], func['names'][0], func['arguments']))
-    argument_names = re.sub(r'(const )?[a-zA-Z0-9]+\** ([a-zA-Z0-9]+)', r'\2',
+    argument_names = re.sub(r'(const )?[a-zA-Z0-9]+((\s*const\s*)?\*)* ([a-zA-Z0-9]+)', r'\4',
                               func['arguments'])
     if argument_names == 'void':
       argument_names = ''
Index: ui/gl/gl_bindings_skia_in_process.cc
diff --git a/ui/gl/gl_bindings_skia_in_process.cc b/ui/gl/gl_bindings_skia_in_process.cc
index f45626616ed6ff8e8de0c59b25165e6b51f3668d..115eac8d8a57e7abc000935e20c8eb311cd404e8 100644
--- a/ui/gl/gl_bindings_skia_in_process.cc
+++ b/ui/gl/gl_bindings_skia_in_process.cc
@@ -365,7 +365,7 @@ GLvoid StubGLScissor(GLint x, GLint y, GLsizei width, GLsizei height) {
   glScissor(x, y, width, height);
 }
 
-GLvoid StubGLShaderSource(GLuint shader, GLsizei count, const char** str,
+GLvoid StubGLShaderSource(GLuint shader, GLsizei count, const char* const* str,
                           const GLint* length) {
   glShaderSource(shader, count, str, length);
 }
Index: third_party/skia/include/gpu/gl/GrGLConfig_chrome.h
===================================================================
--- a/third_party/skia/include/gpu/gl/GrGLConfig_chrome.h	(revision 7840)
+++ b/third_party/skia/include/gpu/gl/GrGLConfig_chrome.h	(working copy)
@@ -37,4 +37,8 @@
 // Non-VBO vertices and indices are not allowed in Chromium.
 #define GR_GL_MUST_USE_VBO                          1
 
+// Use updated Khronos signature for glShaderSource
+// (const char* const instead of char**).
+#define GR_USE_NEW_GL_SHADER_SOURCE_SIGNATURE       1
+
 #endif