PPAPI: Make CompletionCallbacks work right on background threads.

webkit/plugins/ppapi/host_globals.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 WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_
 #define WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_
 
 #include "base/compiler_specific.h"
 #include "ppapi/shared_impl/callback_tracker.h"
 #include "ppapi/shared_impl/ppapi_globals.h"
@@ skipping 36 matching lines @@
   virtual void PreCacheFontForFlash(const void* logfontw) OVERRIDE;
   virtual base::Lock* GetProxyLock() OVERRIDE;
   virtual void LogWithSource(PP_Instance instance,
                              PP_LogLevel_Dev level,
                              const std::string& source,
                              const std::string& value) OVERRIDE;
   virtual void BroadcastLogWithSource(PP_Module module,
                                       PP_LogLevel_Dev level,
                                       const std::string& source,
                                       const std::string& value) OVERRIDE;
+  virtual ::ppapi::MessageLoopShared* GetCurrentMessageLoop() OVERRIDE;
 
   HostVarTracker* host_var_tracker() {
     return &host_var_tracker_;
   }
 
   // PP_Modules ----------------------------------------------------------------
 
   // Adds a new plugin module to the list of tracked module, and returns a new
   // module handle to identify it.
   PP_Module AddModule(PluginModule* module);
@@ skipping 41 matching lines @@
   typedef std::map<PP_Module, PluginModule*> ModuleMap;
   ModuleMap module_map_;
 
   DISALLOW_COPY_AND_ASSIGN(HostGlobals);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif   // WEBKIT_PLUGINS_PPAPI_HOST_GLOBALS_H_