Add optimization for CHROMIUM_subscribe_uniform extension.

content/common/gpu/gpu_command_buffer_stub.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_COMMAND_BUFFER_STUB_H_
 #define CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 18 matching lines @@
 #include "ui/gfx/size.h"
 #include "ui/gl/gl_surface.h"
 #include "ui/gl/gpu_preference.h"
 #include "url/gurl.h"
 
 namespace gpu {
 struct Mailbox;
 class ValueStateMap;
 namespace gles2 {
 class MailboxManager;
+class SubscriptionRefSet;
 }
 }
 
 namespace content {
 
 class GpuChannel;
 class GpuVideoDecodeAccelerator;
 class GpuVideoEncodeAccelerator;
 class GpuWatchdog;
 struct WaitForCommandState;
@@ skipping 14 matching lines @@
   };
 
   typedef base::Callback<void(const std::vector<ui::LatencyInfo>&)>
       LatencyInfoCallback;
 
   GpuCommandBufferStub(
       GpuChannel* channel,
       GpuCommandBufferStub* share_group,
       const gfx::GLSurfaceHandle& handle,
       gpu::gles2::MailboxManager* mailbox_manager,
+      gpu::gles2::SubscriptionRefSet* subscription_ref_set,
       gpu::ValueStateMap* pending_valuebuffer_state,
       const gfx::Size& size,
       const gpu::gles2::DisallowedFeatures& disallowed_features,
       const std::vector<int32>& attribs,
       gfx::GpuPreference gpu_preference,
       bool use_virtualized_gl_context,
       int32 route_id,
       int32 surface_id,
       GpuWatchdog* watchdog,
       bool software,
@@ skipping 196 matching lines @@
   size_t total_gpu_memory_;
   scoped_ptr<WaitForCommandState> wait_for_token_;
   scoped_ptr<WaitForCommandState> wait_for_get_offset_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuCommandBufferStub);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_COMMAND_BUFFER_STUB_H_