Revert of Compute GpuDriverBugWorkarounds only one time in the GPU process

gpu/ipc/service/gpu_channel_manager.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_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_
 #define GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_
 
 #include <stdint.h>
 
 #include <deque>
 #include <string>
 #include <vector>
 
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "build/build_config.h"
 #include "gpu/command_buffer/common/constants.h"
-#include "gpu/config/gpu_driver_bug_workarounds.h"
 #include "gpu/gpu_export.h"
 #include "gpu/ipc/service/gpu_memory_manager.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gl/gl_surface.h"
 #include "url/gurl.h"
 
 #if defined(OS_MACOSX)
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
@@ skipping 83 matching lines @@
                                   const BufferPresentedCallback& callback);
   void RemoveBufferPresentedCallback(int32_t routing_id);
   void BufferPresented(int32_t surface_id,
                        const base::TimeTicks& vsync_timebase,
                        const base::TimeDelta& vsync_interval);
 #endif
 
   const GpuPreferences& gpu_preferences() const {
     return gpu_preferences_;
   }
-  const GpuDriverBugWorkarounds& gpu_driver_bug_workarounds() const {
-    return gpu_driver_bug_workarounds_;
-  }
   gles2::ProgramCache* program_cache();
   gles2::ShaderTranslatorCache* shader_translator_cache();
   gles2::FramebufferCompletenessCache* framebuffer_completeness_cache();
 
   GpuMemoryManager* gpu_memory_manager() { return &gpu_memory_manager_; }
 
   GpuChannel* LookupChannel(int32_t client_id) const;
 
   gfx::GLSurface* GetDefaultOffscreenSurface();
 
@@ skipping 48 matching lines @@
  private:
   void InternalDestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id, int client_id);
   void InternalDestroyGpuMemoryBufferOnIO(gfx::GpuMemoryBufferId id,
                                           int client_id);
 #if defined(OS_ANDROID)
   void ScheduleWakeUpGpu();
   void DoWakeUpGpu();
 #endif
 
   const GpuPreferences& gpu_preferences_;
-  GpuDriverBugWorkarounds gpu_driver_bug_workarounds_;
 
   GpuChannelManagerDelegate* const delegate_;
 #if defined(OS_MACOSX)
   base::hash_map<int32_t, BufferPresentedCallback>
       buffer_presented_callback_map_;
 #endif
 
   GpuWatchdog* watchdog_;
 
   base::WaitableEvent* shutdown_event_;
@@ skipping 25 matching lines @@
   // that any WeakPtrs to Controller are invalidated before its members
   // variable's destructors are executed, rendering them invalid.
   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 }  // namespace gpu
 
 #endif  // GPU_IPC_SERVICE_GPU_CHANNEL_MANAGER_H_