Add hooks for GL_EXT_debug_marker in gpu

src/gpu/gl/android/GrGLCreateNativeInterface_android.cpp

 // Modified from chromium/src/webkit/glue/gl_bindings_skia_cmd_buffer.cc
 
 // Copyright (c) 2011 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 "gl/GrGLExtensions.h"
 #include "gl/GrGLInterface.h"
 #include "gl/GrGLUtil.h"
 
@@ skipping 172 matching lines @@
     functions->fGetRenderbufferParameteriv = glGetRenderbufferParameteriv;
     functions->fRenderbufferStorage = glRenderbufferStorage;
 #if GL_OES_mapbuffer
     functions->fMapBuffer = glMapBufferOES;
     functions->fUnmapBuffer = glUnmapBufferOES;
 #else
     functions->fMapBuffer = (GrGLMapBufferProc) eglGetProcAddress("glMapBufferOES");
     functions->fUnmapBuffer = (GrGLUnmapBufferProc) eglGetProcAddress("glUnmapBufferOES");
 #endif
 
+    if (extensions.has("GL_EXT_debug_marker")) {
+        functions->fInsertEventMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glInsertEventMarkerEXT");
+        functions->fPushGroupMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glPushGroupMarkerEXT");
+        functions->fPopGroupMarker = (GrGLPopGroupMarkerProc) eglGetProcAddress("glPopGropuMarkerEXT");
+    }
+
     return interface;
 }
 
 static GrGLInterface* create_desktop_interface(GrGLVersion version,
                                                const GrGLExtensions& extensions) {
     // Currently this assumes a 4.4 context or later. Supporting lower GL versions would require
     // getting suffixed versions of pointers for supported extensions.
     if (version < GR_GL_VER(4,4)) {
         return NULL;
     }
@@ skipping 179 matching lines @@
         functions->fGetPathColorGeniv = (GrGLGetPathColorGenivProc) eglGetProcAddress("glGetPathColorGenivNV");
         functions->fGetPathColorGenfv = (GrGLGetPathColorGenfvProc) eglGetProcAddress("glGetPathColorGenfvNV");
         functions->fGetPathTexGeniv = (GrGLGetPathTexGenivProc) eglGetProcAddress("glGetPathTexGenivNV");
         functions->fGetPathTexGenfv = (GrGLGetPathTexGenfvProc) eglGetProcAddress("glGetPathTexGenfvNV");
         functions->fIsPointInFillPath = (GrGLIsPointInFillPathProc) eglGetProcAddress("glIsPointInFillPathNV");
         functions->fIsPointInStrokePath = (GrGLIsPointInStrokePathProc) eglGetProcAddress("glIsPointInStrokePathNV");
         functions->fGetPathLength = (GrGLGetPathLengthProc) eglGetProcAddress("glGetPathLengthNV");
         functions->fPointAlongPath = (GrGLPointAlongPathProc) eglGetProcAddress("glPointAlongPathNV");
     }
 
+    if (extensions.has("GL_EXT_debug_marker")) {
+        functions->fInsertEventMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glInsertEventMarkerEXT");
+        functions->fPushGroupMarker = (GrGLInsertEventMarkerProc) eglGetProcAddress("glPushGroupMarkerEXT");
+        functions->fPopGroupMarker = (GrGLPopGroupMarkerProc) eglGetProcAddress("glPopGropuMarkerEXT");
+    }
+
     return interface;
 }
 
 const GrGLInterface* GrGLCreateNativeInterface() {
 
     GrGLGetStringiProc getStringi = (GrGLGetStringiProc) eglGetProcAddress("glGetStringi");
 
     const char* verStr = reinterpret_cast<const char*>(glGetString(GR_GL_VERSION));
     GrGLVersion version = GrGLGetVersionFromString(verStr);
     GrGLStandard standard = GrGLGetStandardInUseFromString(verStr);
 
     GrGLExtensions extensions;
     if (!extensions.init(standard, glGetString, getStringi, glGetIntegerv)) {
         return NULL;
     }
 
     GrGLInterface* interface = NULL;
     if (kGLES_GrGLStandard == standard) {
         interface = create_es_interface(version, extensions);
     } else if (kGL_GrGLStandard == standard) {
         interface = create_desktop_interface(version, extensions);
     }
 
     if (NULL != interface) {
         interface->fExtensions.swap(&extensions);
     }
 
     return interface;
 }