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

chrome/browser/plugin_process_host.h

Index: chrome/browser/plugin_process_host.h
===================================================================
--- chrome/browser/plugin_process_host.h	(revision 8931)
+++ chrome/browser/plugin_process_host.h	(working copy)
@@ -15,6 +15,7 @@
 #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;
@@ -34,7 +35,8 @@
 // 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();
@@ -58,6 +60,11 @@
   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(); }
 
@@ -157,10 +164,9 @@
 
   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);
 };