Use GpuPreferences to avoid directly accessing switches in gpu related code

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.h

 // 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.
 
 #ifndef GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/message_loop/message_loop.h"
 #include "gpu/command_buffer/common/gles2_cmd_format.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/buffer_manager.h"
 #include "gpu/command_buffer/service/cmd_buffer_engine.h"
 #include "gpu/command_buffer/service/context_group.h"
 #include "gpu/command_buffer/service/framebuffer_manager.h"
 #include "gpu/command_buffer/service/gl_context_mock.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
+#include "gpu/command_buffer/service/gpu_preferences.h"
 #include "gpu/command_buffer/service/program_manager.h"
 #include "gpu/command_buffer/service/query_manager.h"
 #include "gpu/command_buffer/service/renderbuffer_manager.h"
 #include "gpu/command_buffer/service/sampler_manager.h"
 #include "gpu/command_buffer/service/shader_manager.h"
 #include "gpu/command_buffer/service/test_helper.h"
 #include "gpu/command_buffer/service/texture_manager.h"
 #include "gpu/command_buffer/service/valuebuffer_manager.h"
 #include "gpu/command_buffer/service/vertex_array_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 715 matching lines @@
     GLuint bound_array_buffer_object_;
     GLuint bound_vertex_array_object_;
   };  // class MockGLStates
 
   void AddExpectationsForVertexAttribManager();
   void SetupMockGLBehaviors();
 
   void SetupInitStateManualExpectations(bool es3_capable);
 
   scoped_ptr< ::testing::StrictMock<MockCommandBufferEngine> > engine_;
+  GpuPreferences gpu_preferences_;
   scoped_refptr<ContextGroup> group_;
   MockGLStates gl_states_;
   base::MessageLoop message_loop_;
 };
 
 class GLES2DecoderWithShaderTestBase : public GLES2DecoderTestBase {
  public:
   GLES2DecoderWithShaderTestBase()
       : GLES2DecoderTestBase() {
   }
 
  protected:
   void SetUp() override;
   void TearDown() override;
 };
 
 // SpecializedSetup specializations that are needed in multiple unittest files.
 template <>
 void GLES2DecoderTestBase::SpecializedSetup<cmds::LinkProgram, 0>(bool valid);
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_