Refactor GL bindings so there is no global GLApi or DriverGL.

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.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 "gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 191 matching lines @@
 
   InSequence sequence;
 
   surface_ = new gl::GLSurfaceStub;
   surface_->SetSize(gfx::Size(kBackBufferWidth, kBackBufferHeight));
 
   // Context needs to be created before initializing ContextGroup, which will
   // in turn initialize FeatureInfo, which needs a context to determine
   // extension support.
   context_ = new StrictMock<GLContextMock>();
-  context_->AddExtensionsString(normalized_init.extensions.c_str());
+  context_->SetExtensionsString(normalized_init.extensions.c_str());
   context_->SetGLVersionString(normalized_init.gl_version.c_str());
 
-  context_->GLContextStubWithExtensions::MakeCurrent(surface_.get());
+  context_->GLContextStub::MakeCurrent(surface_.get());
 
   TestHelper::SetupContextGroupInitExpectations(
       gl_.get(),
       DisallowedFeatures(),
       normalized_init.extensions.c_str(),
       normalized_init.gl_version.c_str(),
       init.context_type,
       normalized_init.bind_generates_resource);
 
   // We initialize the ContextGroup with a MockGLES2Decoder so that
@@ skipping 1955 matching lines @@
   SetupDefaultProgram();
 }
 
 // Include the auto-generated part of this file. We split this because it means
 // we can easily edit the non-auto generated parts right here in this file
 // instead of having to edit some template or the code generator.
 #include "gpu/command_buffer/service/gles2_cmd_decoder_unittest_0_autogen.h"
 
 }  // namespace gles2
 }  // namespace gpu