gpu: Some cleanups.

content/browser/renderer_host/render_message_filter.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_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 108 matching lines @@
                        const CreateNewWidgetCallback& callback) override;
   void CreateFullscreenWidget(
       int opener_id,
       const CreateFullscreenWidgetCallback& callback) override;
   void GetSharedBitmapManager(
       cc::mojom::SharedBitmapManagerAssociatedRequest request) override;
 
   // Message handlers called on the browser IO thread:
   void OnHasGpuProcess(IPC::Message* reply);
   // Helper callbacks for the message handlers.
-  void GetGpuProcessHandlesCallback(
-      std::unique_ptr<IPC::Message> reply,
-      const std::list<base::ProcessHandle>& handles);
+  void GetHasGpuProcessCallback(std::unique_ptr<IPC::Message> reply,
+                                bool has_gpu);
   void OnResolveProxy(const GURL& url, IPC::Message* reply_msg);
 
 #if defined(OS_LINUX)
   void SetThreadPriorityOnFileThread(base::PlatformThreadId ns_tid,
                                      base::ThreadPriority priority);
   void OnSetThreadPriority(base::PlatformThreadId ns_tid,
                            base::ThreadPriority priority);
 #endif
 
   void OnCacheableMetadataAvailable(const GURL& url,
@@ skipping 40 matching lines @@
   CacheStorageContextImpl* cache_storage_context_;
 
   base::WeakPtrFactory<RenderMessageFilter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_MESSAGE_FILTER_H_