Compute GpuDriverBugWorkarounds only one time in the GPU process

content/common/gpu/gpu_channel_test_common.h

 // Copyright (c) 2015 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 <stdint.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "content/common/gpu/gpu_channel.h"
 #include "content/common/gpu/gpu_channel_manager.h"
 #include "content/common/gpu/gpu_channel_manager_delegate.h"
@@ skipping 48 matching lines @@
   void SendAcceleratedSurfaceCreatedChildWindow(
       gpu::SurfaceHandle parent_window,
       gpu::SurfaceHandle child_window) override;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(TestGpuChannelManagerDelegate);
 };
 
 class TestGpuChannelManager : public GpuChannelManager {
  public:
-  TestGpuChannelManager(const gpu::GpuPreferences& gpu_preferences,
-                        GpuChannelManagerDelegate* delegate,
-                        base::SingleThreadTaskRunner* task_runner,
-                        base::SingleThreadTaskRunner* io_task_runner,
-                        gpu::SyncPointManager* sync_point_manager,
-                        GpuMemoryBufferFactory* gpu_memory_buffer_factory);
+  TestGpuChannelManager(
+      const gpu::GpuPreferences& gpu_preferences,
+      const gpu::GpuDriverBugWorkarounds& gpu_driver_bug_workarounds,
+      GpuChannelManagerDelegate* delegate,
+      base::SingleThreadTaskRunner* task_runner,
+      base::SingleThreadTaskRunner* io_task_runner,
+      gpu::SyncPointManager* sync_point_manager,
+      GpuMemoryBufferFactory* gpu_memory_buffer_factory);
   ~TestGpuChannelManager() override;
 
  protected:
   scoped_ptr<GpuChannel> CreateGpuChannel(
       int client_id,
       uint64_t client_tracing_id,
       bool preempts,
       bool allow_view_command_buffers,
       bool allow_real_time_streams) override;
 };
@@ skipping 33 matching lines @@
 
  protected:
   GpuChannelManager* channel_manager() { return channel_manager_.get(); }
   TestGpuChannelManagerDelegate* channel_manager_delegate() {
     return channel_manager_delegate_.get();
   }
   base::TestSimpleTaskRunner* task_runner() { return task_runner_.get(); }
 
  private:
   gpu::GpuPreferences gpu_preferences_;
+  gpu::GpuDriverBugWorkarounds gpu_driver_bug_workarounds_;
   scoped_refptr<base::TestSimpleTaskRunner> task_runner_;
   scoped_refptr<base::TestSimpleTaskRunner> io_task_runner_;
   scoped_ptr<gpu::SyncPointManager> sync_point_manager_;
   scoped_ptr<TestGpuChannelManagerDelegate> channel_manager_delegate_;
   scoped_ptr<GpuChannelManager> channel_manager_;
 };
 
 }  // namespace content