Expose GpuMemoryBufferId through glGetImageivCHROMIUM.

cc/test/test_gles2_interface.cc

 // Copyright 2013 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 "cc/test/test_gles2_interface.h"
 
 #include "base/logging.h"
 #include "cc/test/test_web_graphics_context_3d.h"
 #include "gpu/GLES2/gl2extchromium.h"
 
@@ skipping 281 matching lines @@
 
 GLuint TestGLES2Interface::CreateGpuMemoryBufferImageCHROMIUM(
     GLsizei width,
     GLsizei height,
     GLenum internalformat,
     GLenum usage) {
   return test_context_->createGpuMemoryBufferImageCHROMIUM(
       width, height, internalformat, usage);
 }
 
+GLint TestGLES2Interface::GetImageivCHROMIUM(GLuint image_id, GLenum param) {
+  return test_context_->getImageivCHROMIUM(image_id, param);
+}
+
 void TestGLES2Interface::BindTexImage2DCHROMIUM(GLenum target, GLint image_id) {
   test_context_->bindTexImage2DCHROMIUM(target, image_id);
 }
 
 void TestGLES2Interface::ReleaseTexImage2DCHROMIUM(GLenum target,
                                                    GLint image_id) {
   test_context_->releaseTexImage2DCHROMIUM(target, image_id);
 }
 
 void* TestGLES2Interface::MapBufferCHROMIUM(GLuint target, GLenum access) {
@@ skipping 91 matching lines @@
   test_context_->loseContextCHROMIUM(current, other);
 }
 
 GLenum TestGLES2Interface::GetGraphicsResetStatusKHR() {
   if (test_context_->isContextLost())
     return GL_UNKNOWN_CONTEXT_RESET_KHR;
   return GL_NO_ERROR;
 }
 
 }  // namespace cc