Remove remaining calls to deprecated MessageLoop methods on Mac.

ppapi/proxy/ppb_message_loop_proxy.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 "ppapi/proxy/ppb_message_loop_proxy.h"
 
 #include <stddef.h>
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
-#include "base/location.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_message_loop.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_globals.h"
 #include "ppapi/shared_impl/proxy_lock.h"
 #include "ppapi/thunk/enter.h"
 
 using ppapi::thunk::PPB_MessageLoop_API;
 
@@ skipping 78 matching lines @@
 
   return PP_OK;
 }
 
 int32_t MessageLoopResource::Run() {
   if (!IsCurrent())
     return PP_ERROR_WRONG_THREAD;
   if (is_main_thread_loop_)
     return PP_ERROR_INPROGRESS;
 
+  base::RunLoop* previous_run_loop = run_loop_;
+  base::RunLoop run_loop;
+  run_loop_ = &run_loop;
+
   nested_invocations_++;
   CallWhileUnlocked(
-      base::Bind(&base::MessageLoop::Run, base::Unretained(loop_.get())));
+      base::Bind(&base::RunLoop::Run, base::Unretained(run_loop_)));
   nested_invocations_--;
 
+  run_loop_ = previous_run_loop;

[gab, 2016/07/08 18:36:08]

Why does |run_loop_| need to be a member if it's only accessed from this local
scope?

[fdoray, 2016/07/08 20:21:10]

I planned to use run_loop_ to quit the messageloop but I forgot. I did it in the
latest patch set.

+
   if (should_destroy_ && nested_invocations_ == 0) {
     task_runner_ = NULL;
     loop_.reset();
     destroyed_ = true;
   }
   return PP_OK;
 }
 
 int32_t MessageLoopResource::PostWork(PP_CompletionCallback callback,
                                       int64_t delay_ms) {
@@ skipping 150 matching lines @@
 PPB_MessageLoop_Proxy::~PPB_MessageLoop_Proxy() {
 }
 
 // static
 const PPB_MessageLoop_1_0* PPB_MessageLoop_Proxy::GetInterface() {
   return &ppb_message_loop_interface;
 }
 
 }  // namespace proxy
 }  // namespace ppapi