Refactor so chromium only GL extensions require gl2extchromium.h

cc/resource_provider_unittest.cc

 // Copyright 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 "cc/resource_provider.h"
 
 #include "base/logging.h"
 #include "cc/output_surface.h"
 #include "cc/scoped_ptr_deque.h"
 #include "cc/scoped_ptr_hash_map.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_web_graphics_context_3d.h"
+#include "gpu/GLES2/gl2extchromium.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "ui/gfx/rect.h"
 
 using namespace WebKit;
 
 using testing::Mock;
@@ skipping 620 matching lines @@
     Mock::VerifyAndClearExpectations(context);
 }
 
 INSTANTIATE_TEST_CASE_P(ResourceProviderTests,
                         ResourceProviderTest,
                         ::testing::Values(ResourceProvider::GLTexture,
                                           ResourceProvider::Bitmap));
 
 }  // namespace
 }  // namespace cc