Start using the proxy resolve IPC for plugins....

chrome/browser/plugin_process_host.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_
 #define CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/id_map.h"
 #include "base/object_watcher.h"
 #include "base/process.h"
 #include "base/scoped_ptr.h"
 #include "base/task.h"
 #include "chrome/browser/resource_message_filter.h"
 #include "chrome/common/ipc_channel_proxy.h"
+#include "chrome/browser/net/resolve_proxy_msg_helper.h"
 #include "chrome/browser/resource_message_filter.h"
 
 class PluginService;
 class PluginProcessHost;
 class ResourceDispatcherHost;
 class URLRequestContext;
 struct ViewHostMsg_Resource_Request;
 class GURL;
 
 // Represents the browser side of the browser <--> plugin communication
 // channel.  Different plugins run in their own process, but multiple instances
 // of the same plugin run in the same process.  There will be one
 // PluginProcessHost per plugin process, matched with a corresponding
 // PluginProcess running in the plugin process.  The browser is responsible for
 // starting the plugin process when a plugin is created that doesn't already
 // have a process.  After that, most of the communication is directly between
 // the renderer and plugin processes.
 class PluginProcessHost : public IPC::Channel::Listener,
                           public IPC::Message::Sender,
-                          public base::ObjectWatcher::Delegate {
+                          public base::ObjectWatcher::Delegate,
+                          public ResolveProxyMsgHelper::Delegate {
  public:
   PluginProcessHost(PluginService* plugin_service);
   ~PluginProcessHost();
 
   // Initialize the new plugin process, returning true on success. This must
   // be called before the object can be used. If plugin_path is the
   // ActiveX-shim, then activex_clsid is the class id of ActiveX control,
   // otherwise activex_clsid is ignored.
   bool Init(const FilePath& plugin_path,
             const std::string& activex_clsid,
             const std::wstring& locale);
 
   // IPC::Message::Sender implementation:
   virtual bool Send(IPC::Message* msg);
 
   // ObjectWatcher::Delegate implementation:
   virtual void OnObjectSignaled(HANDLE object);
 
   // IPC::Channel::Listener implementation:
   virtual void OnMessageReceived(const IPC::Message& msg);
   virtual void OnChannelConnected(int32 peer_pid);
   virtual void OnChannelError();
 
+  // ResolveProxyMsgHelper::Delegate implementation:
+  virtual void OnResolveProxyCompleted(IPC::Message* reply_msg,
+                                       int result,
+                                       const std::string& proxy_list);
+
   // Getter to the process, may return NULL if there is no connection.
   HANDLE process() { return process_.handle(); }
 
   // Tells the plugin process to create a new channel for communication with a
   // renderer.  When the plugin process responds with the channel name,
   // reply_msg is used to send the name to the renderer.
   void OpenChannelToPlugin(ResourceMessageFilter* renderer_message_filter,
                            const std::string& mime_type,
                            IPC::Message* reply_msg);
 
@@ skipping 79 matching lines @@
   // IPC Channel's id.
   std::wstring channel_id_;
 
   // Path to the file of that plugin.
   FilePath plugin_path_;
 
   PluginService* plugin_service_;
 
   ResourceDispatcherHost* resource_dispatcher_host_;
 
-  // This RevocableStore prevents ResolveProxy completion callbacks from
-  // accessing a deleted PluginProcessHost (since we do not cancel the
-  // in-progress resolve requests during destruction).
-  RevocableStore revocable_store_;
+  // Helper class for handling PluginHost_ResolveProxy messages (manages the
+  // requests to the proxy service).
+  ResolveProxyMsgHelper resolve_proxy_msg_helper_;
 
   DISALLOW_EVIL_CONSTRUCTORS(PluginProcessHost);
 };
 
 #endif  // CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_