Pepper proxy: make the browser sender handle the proxy lock properly.

ppapi/proxy/plugin_main_nacl.cc

 // 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.
 
 #include <map>
 #include <set>
 
 #include "build/build_config.h"
 // Need to include this before most other files because it defines
 // IPC_MESSAGE_LOG_ENABLED. We need to use it to define
@@ skipping 54 matching lines @@
   virtual base::WaitableEvent* GetShutdownEvent() OVERRIDE;
   virtual IPC::PlatformFileForTransit ShareHandleWithRemote(
       base::PlatformFile handle,
       const IPC::SyncChannel& channel,
       bool should_close_source) OVERRIDE;
   virtual std::set<PP_Instance>* GetGloballySeenInstanceIDSet() OVERRIDE;
   virtual uint32 Register(PluginDispatcher* plugin_dispatcher) OVERRIDE;
   virtual void Unregister(uint32 plugin_dispatcher_id) OVERRIDE;
 
   // PluginProxyDelegate implementation.
-  virtual bool SendToBrowser(IPC::Message* msg) OVERRIDE;
   virtual IPC::Sender* GetBrowserSender() OVERRIDE;
   virtual std::string GetUILanguage() OVERRIDE;
   virtual void PreCacheFont(const void* logfontw) OVERRIDE;
   virtual void SetActiveURL(const std::string& url) OVERRIDE;
 
   // IPC::Listener implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
  private:
   void OnMsgCreateNaClChannel(int renderer_id,
@@ skipping 51 matching lines @@
   } while (id == 0 ||
            plugin_dispatchers_.find(id) != plugin_dispatchers_.end());
   plugin_dispatchers_[id] = plugin_dispatcher;
   return id;
 }
 
 void PpapiDispatcher::Unregister(uint32 plugin_dispatcher_id) {
   plugin_dispatchers_.erase(plugin_dispatcher_id);
 }
 
-bool PpapiDispatcher::SendToBrowser(IPC::Message* msg) {
-  return Send(msg);
-}
-
 IPC::Sender* PpapiDispatcher::GetBrowserSender() {
   return this;
 }
 
 std::string PpapiDispatcher::GetUILanguage() {
   NOTIMPLEMENTED();
   return std::string();
 }
 
 void PpapiDispatcher::PreCacheFont(const void* logfontw) {
@@ skipping 100 matching lines @@
 
   PpapiDispatcher ppapi_dispatcher(io_thread.message_loop_proxy());
   plugin_globals.set_plugin_proxy_delegate(&ppapi_dispatcher);
 
   loop.Run();
 
   NaClSrpcModuleFini();
 
   return 0;
 }