Fixes for re-enabling more MSVC level 4 warnings: content/renderer/ edition

content/renderer/pepper/plugin_module.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/renderer/pepper/plugin_module.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 673 matching lines @@
   if (!info) {
     *pepper_plugin_was_registered = false;
     return scoped_refptr<PluginModule>();
   } else if (!info->is_out_of_process) {
     // In-process plugin not preloaded, it probably couldn't be initialized.
     return scoped_refptr<PluginModule>();
   }
 
   // Out of process: have the browser start the plugin process for us.
   IPC::ChannelHandle channel_handle;
-  base::ProcessId peer_pid;
+  base::ProcessId peer_pid = 0;
   int plugin_child_id = 0;
   render_frame->Send(new ViewHostMsg_OpenChannelToPepperPlugin(
       path, &channel_handle, &peer_pid, &plugin_child_id));
   if (channel_handle.name.empty()) {
     // Couldn't be initialized.
     return scoped_refptr<PluginModule>();
   }
 
   ppapi::PpapiPermissions permissions(info->permissions);
 
   // AddLiveModule must be called before any early returns since the
   // module's destructor will remove itself.
   module = new PluginModule(info->name, path, permissions);
   PepperPluginRegistry::GetInstance()->AddLiveModule(path, module.get());
 
   if (!module->CreateOutOfProcessModule(render_frame,
                                         path,
                                         permissions,
                                         channel_handle,
                                         peer_pid,
                                         plugin_child_id,
                                         false))  // is_external = false
     return scoped_refptr<PluginModule>();
 
   return module;
 }
 
 }  // namespace content