Don't use view contexts in the renderer

content/browser/renderer_host/gpu_message_filter.h

Index: content/browser/renderer_host/gpu_message_filter.h
diff --git a/content/browser/renderer_host/gpu_message_filter.h b/content/browser/renderer_host/gpu_message_filter.h
index 6e216d6aeca3bdec2c5e10b4ee81703b290e9be3..e1dd8565ab3f54c78edb0d6fdb018c7b15165e3c 100644
--- a/content/browser/renderer_host/gpu_message_filter.h
+++ b/content/browser/renderer_host/gpu_message_filter.h
@@ -5,36 +5,23 @@
 #ifndef CONTENT_BROWSER_RENDERER_HOST_GPU_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_GPU_MESSAGE_FILTER_H_
 
-#include <vector>
-
-#include "base/memory/linked_ptr.h"
-#include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
-#include "base/sequenced_task_runner_helpers.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
-#include "content/common/gpu/gpu_result_codes.h"
 #include "content/public/browser/browser_message_filter.h"
-#include "ui/gfx/native_widget_types.h"
-
-class GpuProcessHost;
-struct GPUCreateCommandBufferConfig;
 
 namespace gpu {
 struct GPUInfo;
 }
 
 namespace content {
-class RenderWidgetHelper;
-class RenderWidgetHostViewFrameSubscriber;
 
-// A message filter for messages from the renderer to the GpuProcessHost(UIShim)
+// A message filter for messages from the renderer to the GpuProcessHost
 // in the browser. Such messages are typically destined for the GPU process,
 // but need to be mediated by the browser.
 class GpuMessageFilter : public BrowserMessageFilter {
  public:
-  GpuMessageFilter(int render_process_id,
-                   RenderWidgetHelper* render_widget_helper);
+  GpuMessageFilter(int render_process_id);
 
   // BrowserMessageFilter methods:
   bool OnMessageReceived(const IPC::Message& message) override;
@@ -42,30 +29,20 @@ class GpuMessageFilter : public BrowserMessageFilter {
  private:
   friend class BrowserThread;
   friend class base::DeleteHelper<GpuMessageFilter>;
-  struct CreateViewCommandBufferRequest;
-  struct FrameSubscription;
 
   ~GpuMessageFilter() override;
 
   // Message handlers called on the browser IO thread:
   void OnEstablishGpuChannel(CauseForGpuLaunch,
                              IPC::Message* reply);
-  void OnCreateViewCommandBuffer(
-      const GPUCreateCommandBufferConfig& init_params,
-      int32 route_id,
-      IPC::Message* reply);
   // Helper callbacks for the message handlers.
   void EstablishChannelCallback(scoped_ptr<IPC::Message> reply,
                                 const IPC::ChannelHandle& channel,
                                 const gpu::GPUInfo& gpu_info);
-  void CreateCommandBufferCallback(scoped_ptr<IPC::Message> reply,
-                                   CreateCommandBufferResult result);
 
   int gpu_process_id_;
   int render_process_id_;
 
-  scoped_refptr<RenderWidgetHelper> render_widget_helper_;
-
   base::WeakPtrFactory<GpuMessageFilter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuMessageFilter);