Allow GrGLInterface factories in Chromium to continue to compile.

include/gpu/gl/GrGLInterface.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLInterface_DEFINED
 #define GrGLInterface_DEFINED
 
 #include "GrGLFunctions.h"
 #include "SkRefCnt.h"
 
 ////////////////////////////////////////////////////////////////////////////////
 
 /**
  * Classifies GL contexts by which standard they implement (currently as Desktop
  * vs. ES).
  */
 enum GrGLStandard {
     kNone_GrGLStandard,
     kGL_GrGLStandard,
     kGLES_GrGLStandard,
 };
 
-// Temporary alias until Chromium can be updated.
+// Temporary aliases until Chromium can be updated.
+typedef GrGLStandard GrGLBinding;
 static const GrGLStandard kES2_GrGLBinding = kGLES_GrGLStandard;
+static const GrGLStandard kDesktop_GrGLBinding = kGL_GrGLStandard;
 
 ////////////////////////////////////////////////////////////////////////////////
 
 /**
  * Rather than depend on platform-specific GL headers and libraries, we require
  * the client to provide a struct of GL function pointers. This struct can be
  * specified per-GrContext as a parameter to GrContext::Create. If NULL is
  * passed to Create then a "default" GL interface is created. If the default is
  * also NULL GrContext creation will fail.
  *
@@ skipping 306 matching lines @@
 
     // Per-GL func callback
 #if GR_GL_PER_GL_FUNC_CALLBACK
     GrGLInterfaceCallbackProc fCallback;
     GrGLInterfaceCallbackData fCallbackData;
 #endif
 
 };
 
 #endif