Add hooks for GL_EXT_debug_markers for Skia

ui/gl/gl_bindings_skia_in_process.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 #include "ui/gl/gl_bindings_skia_in_process.h"
 
 #include "base/logging.h"
 #include "third_party/skia/include/gpu/gl/GrGLInterface.h"
 #include "ui/gl/gl_bindings.h"
@@ skipping 328 matching lines @@
 
 GLvoid StubGLGetTexLevelParameteriv(GLenum target, GLint level,
                                     GLenum pname, GLint* params) {
   glGetTexLevelParameteriv(target, level, pname, params);
 }
 
 GLint StubGLGetUniformLocation(GLuint program, const char* name) {
   return glGetUniformLocation(program, name);
 }
 
+GLvoid StubGLInsertEventMarker(GLsizei length, const char* marker) {
+  glInsertEventMarkerEXT(length, marker);
+}
+
 GLvoid StubGLLineWidth(GLfloat width) {
   glLineWidth(width);
 }
 
 GLvoid StubGLLinkProgram(GLuint program) {
   glLinkProgram(program);
 }
 
 void* StubGLMapBuffer(GLenum target, GLenum access) {
   return glMapBuffer(target, access);
 }
 
 GLvoid StubGLPixelStorei(GLenum pname, GLint param) {
   glPixelStorei(pname, param);
 }
 
+GLvoid StubGLPopGroupMarker() {
+  glPopGroupMarkerEXT();
+}
+
+GLvoid StubGLPushGroupMarker(GLsizei length, const char* marker) {
+  glPushGroupMarkerEXT(length, marker);
+}
+
 GLvoid StubGLQueryCounter(GLuint id, GLenum target) {
   glQueryCounter(id, target);
 }
 
 GLvoid StubGLReadBuffer(GLenum src) {
   glReadBuffer(src);
 }
 
 GLvoid StubGLReadPixels(GLint x, GLint y, GLsizei width, GLsizei height,
                         GLenum format, GLenum type, void* pixels) {
@@ skipping 266 matching lines @@
   functions->fGetQueryObjectiv = StubGLGetQueryObjectiv;
   functions->fGetQueryObjectui64v = StubGLGetQueryObjectui64v;
   functions->fGetQueryObjectuiv = StubGLGetQueryObjectuiv;
   functions->fGetProgramInfoLog = StubGLGetProgramInfoLog;
   functions->fGetProgramiv = StubGLGetProgramiv;
   functions->fGetShaderInfoLog = StubGLGetShaderInfoLog;
   functions->fGetShaderiv = StubGLGetShaderiv;
   functions->fGetString = StubGLGetString;
   functions->fGetTexLevelParameteriv = StubGLGetTexLevelParameteriv;
   functions->fGetUniformLocation = StubGLGetUniformLocation;
+  functions->fInsertEventMarker = StubGLInsertEventMarker;
   functions->fLineWidth = StubGLLineWidth;
   functions->fLinkProgram = StubGLLinkProgram;
   functions->fPixelStorei = StubGLPixelStorei;
+  functions->fPopGroupMarker = StubGLPopGroupMarker;
+  functions->fPushGroupMarker = StubGLPushGroupMarker;
   functions->fQueryCounter = StubGLQueryCounter;
   functions->fReadBuffer = StubGLReadBuffer;
   functions->fReadPixels = StubGLReadPixels;
   functions->fScissor = StubGLScissor;
   functions->fShaderSource = StubGLShaderSource;
   functions->fStencilFunc = StubGLStencilFunc;
   functions->fStencilFuncSeparate = StubGLStencilFuncSeparate;
   functions->fStencilMask = StubGLStencilMask;
   functions->fStencilMaskSeparate = StubGLStencilMaskSeparate;
   functions->fStencilOp = StubGLStencilOp;
@@ skipping 46 matching lines @@
   functions->fBlitFramebuffer = StubGLBlitFramebuffer;
   functions->fMapBuffer = StubGLMapBuffer;
   functions->fUnmapBuffer = StubGLUnmapBuffer;
   functions->fBindFragDataLocationIndexed =
     StubGLBindFragDataLocationIndexed;
 
   return interface;
 }
 
 }  // namespace gfx