ppapi: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

ppapi/host/resource_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 PPAPI_HOST_RESOURCE_MESSAGE_FILTER_H_
 #define PPAPI_HOST_RESOURCE_MESSAGE_FILTER_H_
 
 #include "base/memory/ref_counted.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/host/host_message_context.h"
 #include "ppapi/host/ppapi_host_export.h"
 #include "ppapi/host/resource_message_handler.h"
 
 namespace base {
-class MessageLoopProxy;
+class SingleThreadTaskRunner;
 class TaskRunner;
 }
 
 namespace IPC {
 class Message;
 }
 
 namespace ppapi {
 namespace host {
 
@@ skipping 53 matching lines @@
   // This object must be constructed on the same thread that a reply message
   // should be sent, i.e. the IO thread when constructed in the browser process
   // or the main thread when constructed in the renderer process. Since
   // ResourceMessageFilters are usually constructed in the constructor of the
   // owning ResourceHost, this will almost always be the case anyway.
   // The object will be deleted on the creation thread.
   ResourceMessageFilter();
   // Test constructor. Allows you to specify the message loop which will be used
   // to dispatch replies on.
   ResourceMessageFilter(
-      scoped_refptr<base::MessageLoopProxy> reply_thread_message_loop_proxy);
+      scoped_refptr<base::SingleThreadTaskRunner> reply_thread_task_runner);
 
   // Called when a filter is added to a ResourceHost.
   void OnFilterAdded(ResourceHost* resource_host);
   // Called when a filter is removed from a ResourceHost.
   void OnFilterDestroyed();
 
   // This will dispatch the message handler on the target thread. It returns
   // true if the message was handled by this filter and false otherwise.
   bool HandleMessage(const IPC::Message& msg,
                      HostMessageContext* context) override;
@@ skipping 17 matching lines @@
  private:
   friend class base::DeleteHelper<ResourceMessageFilter>;
   friend class base::RefCountedThreadSafe<
       ResourceMessageFilter, internal::ResourceMessageFilterDeleteTraits>;
   friend struct internal::ResourceMessageFilterDeleteTraits;
 
   // This method is posted to the target thread and runs the message handler.
   void DispatchMessage(const IPC::Message& msg,
                        HostMessageContext context);
 
-  scoped_refptr<base::MessageLoopProxy> deletion_message_loop_proxy_;
+  scoped_refptr<base::SingleThreadTaskRunner> deletion_task_runner_;
 
   // Message loop to send resource message replies on. This will be the message
   // loop proxy of the IO thread for the browser process or the main thread for
   // the renderer process.
-  scoped_refptr<base::MessageLoopProxy> reply_thread_message_loop_proxy_;
+  scoped_refptr<base::SingleThreadTaskRunner> reply_thread_task_runner_;
 
   // Non-owning pointer to the resource host owning this filter. Should only be
   // accessed from the thread which sends messages to the plugin resource (i.e.
   // the IO thread for the browser process or the main thread for the renderer).
   // This will be NULL upon creation of the filter and is set to the owning
   // ResourceHost when |OnFilterAdded| is called. When the owning ResourceHost
   // is destroyed, |OnFilterDestroyed| is called and this will be set to NULL.
   ResourceHost* resource_host_;
 
   DISALLOW_COPY_AND_ASSIGN(ResourceMessageFilter);
 };
 
 }  // namespace host
 }  // namespace ppapi
 
 #endif  // PPAPI_HOST_RESOURCE_MESSAGE_FILTER_H_