Set up content in-process main threads via factory

content/browser/gpu/gpu_process_host.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_GPU_GPU_PROCESS_HOST_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_
 
 #include <map>
 #include <queue>
 #include <set>
@@ skipping 26 matching lines @@
 namespace IPC {
 struct ChannelHandle;
 }
 
 namespace content {
 class BrowserChildProcessHostImpl;
 class GpuMainThread;
 class RenderWidgetHostViewFrameSubscriber;
 class ShaderDiskCache;
 
+typedef base::Thread* (*GpuMainThreadFactoryFunction)(const std::string& id);
+
 class GpuProcessHost : public BrowserChildProcessHostDelegate,
                        public IPC::Sender,
                        public base::NonThreadSafe {
  public:
   enum GpuProcessKind {
     GPU_PROCESS_KIND_UNSANDBOXED,
     GPU_PROCESS_KIND_SANDBOXED,
     GPU_PROCESS_KIND_COUNT
   };
 
@@ skipping 18 matching lines @@
   static void GetProcessHandles(
       const GpuDataManager::GetGpuProcessHandlesCallback& callback);
 
   // Helper function to send the given message to the GPU process on the IO
   // thread.  Calls Get and if a host is returned, sends it.  Can be called from
   // any thread.  Deletes the message if it cannot be sent.
   CONTENT_EXPORT static void SendOnIO(GpuProcessKind kind,
                                       CauseForGpuLaunch cause,
                                       IPC::Message* message);
 
+  CONTENT_EXPORT static void RegisterGpuMainThreadFactory(
+      GpuMainThreadFactoryFunction create);
+
   // Get the GPU process host for the GPU process with the given ID. Returns
   // null if the process no longer exists.
   static GpuProcessHost* FromID(int host_id);
   int host_id() const { return host_id_; }
 
   // IPC::Sender implementation.
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // Adds a message filter to the GpuProcessHost's channel.
   void AddFilter(IPC::ChannelProxy::MessageFilter* filter);
@@ skipping 112 matching lines @@
   // Whether the GPU process is valid, set to false after Send() failed.
   bool valid_;
 
   // Whether we are running a GPU thread inside the browser process instead
   // of a separate GPU process.
   bool in_process_;
 
   bool swiftshader_rendering_;
   GpuProcessKind kind_;
 
-#if !defined(CHROME_MULTIPLE_DLL)
-  scoped_ptr<GpuMainThread> in_process_gpu_thread_;
-#endif
+  scoped_ptr<base::Thread> in_process_gpu_thread_;
 
   // Whether we actually launched a GPU process.
   bool process_launched_;
 
   // Whether the GPU process successfully initialized.
   bool initialized_;
 
   // Time Init started.  Used to log total GPU process startup time to UMA.
   base::TimeTicks init_start_time_;
 
@@ skipping 36 matching lines @@
   typedef std::multimap<int, scoped_refptr<GpuSurfaceTracker::SurfaceRef> >
       SurfaceRefMap;
   SurfaceRefMap surface_refs_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_H_