PPAPI: Refactor ppapi test callbacks to ease testing blocking callbacks.

ppapi/proxy/ppb_network_monitor_private_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_network_monitor_private_proxy.h"
 
 #include "ppapi/proxy/enter_proxy.h"
 #include "ppapi/proxy/plugin_proxy_delegate.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/thunk/ppb_network_monitor_private_api.h"
@@ skipping 80 matching lines @@
     // If that is the first network monitor then send Start message.
     PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(
         new PpapiHostMsg_PPBNetworkMonitor_Start(
             dispatcher->plugin_dispatcher_id()));
 
     // We could have received network list message after sending the
     // previous Stop message. This list is stale now, so reset it
     // here.
     proxy->current_list_ = NULL;
   } else if (proxy->current_list_.get()) {
-    MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
+    MessageLoop::current()->PostTask(FROM_HERE, RunWhileLocked(base::Bind(
         &NetworkMonitor::OnNetworkListReceived,
-        result->AsWeakPtr(), proxy->current_list_));
+        result->AsWeakPtr(), proxy->current_list_)));
   }
 
   return result.release()->GetReference();
 }
 
 bool PPB_NetworkMonitor_Private_Proxy::OnMessageReceived(
     const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_NetworkMonitor_Private_Proxy, msg)
     IPC_MESSAGE_HANDLER(PpapiMsg_PPBNetworkMonitor_NetworkList,
@@ skipping 23 matching lines @@
       PluginGlobals::Get()->plugin_proxy_delegate()->SendToBrowser(
           new PpapiHostMsg_PPBNetworkMonitor_Stop(
               dispatcher->plugin_dispatcher_id()));
     }
     current_list_ = NULL;
   }
 }
 
 }  // namespace proxy
 }  // namespace ppapi