Refactor Pickle Read methods to use higher performance PickleIterator.

content/ppapi_plugin/ppapi_thread.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 "content/ppapi_plugin/ppapi_thread.h"
 
 #include <limits>
 
 #include "base/command_line.h"
 #include "base/process_util.h"
@@ skipping 238 matching lines @@
   if (!get_plugin_interface_)
     return;
   const PPP_NetworkState_Dev* ns = static_cast<const PPP_NetworkState_Dev*>(
       get_plugin_interface_(PPP_NETWORK_STATE_DEV_INTERFACE));
   if (ns)
     ns->SetOnLine(PP_FromBool(online));
 }
 
 void PpapiThread::OnPluginDispatcherMessageReceived(const IPC::Message& msg) {
   // The first parameter should be a plugin dispatcher ID.
-  void* iter = NULL;
+  PickleIterator iter(msg);
   uint32 id = 0;
   if (!msg.ReadUInt32(&iter, &id)) {
     NOTREACHED();
     return;
   }
   std::map<uint32, ppapi::proxy::PluginDispatcher*>::iterator dispatcher =
       plugin_dispatchers_.find(id);
   if (dispatcher != plugin_dispatchers_.end())
     dispatcher->second->OnMessageReceived(msg);
 }
@@ skipping 43 matching lines @@
 
   // From here, the dispatcher will manage its own lifetime according to the
   // lifetime of the attached channel.
   return true;
 }
 
 void PpapiThread::SavePluginName(const FilePath& path) {
   ppapi::proxy::PluginGlobals::Get()->set_plugin_name(
       path.BaseName().AsUTF8Unsafe());
 }