Make ShaderTranslatorCache thread safe

content/common/gpu/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 CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 16 matching lines @@
 }
 
 namespace gfx {
 class GLShareGroup;
 }
 
 namespace gpu {
 namespace gles2 {
 class MailboxManager;
 class ProgramCache;
+class ShaderTranslatorCache;
 }
 }
 
 namespace IPC {
 struct ChannelHandle;
 }
 
 struct GPUCreateCommandBufferConfig;
 
 namespace content {
@@ skipping 28 matching lines @@
 
   void LoseAllContexts();
 
   base::WeakPtrFactory<GpuChannelManager> weak_factory_;
 
   int GenerateRouteID();
   void AddRoute(int32 routing_id, IPC::Listener* listener);
   void RemoveRoute(int32 routing_id);
 
   gpu::gles2::ProgramCache* program_cache();
+  gpu::gles2::ShaderTranslatorCache* shader_translator_cache();
 
   GpuMemoryManager* gpu_memory_manager() { return &gpu_memory_manager_; }
 
   GpuEventsDispatcher* gpu_devtools_events_dispatcher() {
     return &gpu_devtools_events_dispatcher_;
   }
 
   GpuChannel* LookupChannel(int32 client_id);
 
   SyncPointManager* sync_point_manager() { return sync_point_manager_.get(); }
@@ skipping 42 matching lines @@
   // one channel for each renderer process that has connected to this GPU
   // process.
   GpuChannelMap gpu_channels_;
   scoped_refptr<gfx::GLShareGroup> share_group_;
   scoped_refptr<gpu::gles2::MailboxManager> mailbox_manager_;
   GpuMemoryManager gpu_memory_manager_;
   GpuEventsDispatcher gpu_devtools_events_dispatcher_;
   GpuWatchdog* watchdog_;
   scoped_refptr<SyncPointManager> sync_point_manager_;
   scoped_ptr<gpu::gles2::ProgramCache> program_cache_;
+  scoped_refptr<gpu::gles2::ShaderTranslatorCache> shader_translator_cache_;
   scoped_refptr<gfx::GLSurface> default_offscreen_surface_;
   ImageOperationQueue image_operations_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_MANAGER_H_