Support exposing Mojo services between render frames, render threads, and their respective hosts.

content/public/renderer/render_thread.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_PUBLIC_RENDERER_RENDER_THREAD_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/memory/shared_memory.h"
@@ skipping 21 matching lines @@
 }
 
 namespace v8 {
 class Extension;
 }
 
 namespace content {
 
 class RenderProcessObserver;
 class ResourceDispatcherDelegate;
+class ServiceRegistry;
 
 class CONTENT_EXPORT RenderThread : public IPC::Sender {
  public:
   // Returns the one render thread for this process.  Note that this can only
   // be accessed when running on the render thread itself.
   static RenderThread* Get();
 
   RenderThread();
   virtual ~RenderThread();
 
@@ skipping 77 matching lines @@
   virtual base::WaitableEvent* GetShutdownEvent() = 0;
 
 #if defined(OS_WIN)
   // Request that the given font be loaded by the browser so it's cached by the
   // OS. Please see ChildProcessHost::PreCacheFont for details.
   virtual void PreCacheFont(const LOGFONT& log_font) = 0;
 
   // Release cached font.
   virtual void ReleaseCachedFonts() = 0;
 #endif
+
+  // Returns the ServiceRegistry for this thread.
+  virtual ServiceRegistry* GetServiceRegistry() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_THREAD_H_