Change how PepperMessageFilter is constructed, to simplify its use.

content/browser/plugin_service_impl.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.
 
 // This class responds to requests from renderers for the list of plugins, and
 // also a proxy object for plugin instances.
 
 #ifndef CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
 #define CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
 
@@ skipping 110 matching lines @@
 
   // Returns the plugin process host corresponding to the plugin process that
   // has been started by this service. This will start a process to host the
   // 'plugin_path' if needed. If the process fails to start, the return value
   // is NULL. Must be called on the IO thread.
   PluginProcessHost* FindOrStartNpapiPluginProcess(
       const FilePath& plugin_path);
   PpapiPluginProcessHost* FindOrStartPpapiPluginProcess(
       const FilePath& plugin_path,
       const FilePath& profile_data_directory,
+      int render_process_id,

[brettw, 2012/09/10 22:27:11]

Can you add a comment about what this is?

       PpapiPluginProcessHost::PluginClient* client);
   PpapiPluginProcessHost* FindOrStartPpapiBrokerProcess(
       const FilePath& plugin_path);
 
   // Opens a channel to a plugin process for the given mime type, starting
   // a new plugin process if necessary.  This must be called on the IO thread
   // or else a deadlock can occur.
   void OpenChannelToNpapiPlugin(int render_process_id,
                                 int render_view_id,
                                 const GURL& url,
                                 const GURL& page_url,
                                 const std::string& mime_type,
                                 PluginProcessHost::Client* client);
   void OpenChannelToPpapiPlugin(const FilePath& plugin_path,
                                 const FilePath& profile_data_directory,
+                                int render_process_id,
                                 PpapiPluginProcessHost::PluginClient* client);
   void OpenChannelToPpapiBroker(const FilePath& path,
                                 PpapiPluginProcessHost::BrokerClient* client);
 
   // Cancels opening a channel to a NPAPI plugin.
   void CancelOpenChannelToNpapiPlugin(PluginProcessHost::Client* client);
 
   // Used to monitor plug-in stability.
   void RegisterPluginCrash(const FilePath& plugin_path);
 
@@ skipping 98 matching lines @@
   scoped_refptr<PluginLoaderPosix> plugin_loader_;
 #endif
 
   // Used to detect if a given plug-in is crashing over and over.
   std::map<FilePath, std::vector<base::Time> > crash_times_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginServiceImpl);
 };
 
 #endif  // CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_