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

chrome/plugin/plugin_thread.cc

 // 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.
 
 #include <windows.h>
 #include <objbase.h>
 
 #include "chrome/plugin/plugin_thread.h"
 
 #include "chrome/common/chrome_plugin_lib.h"
 #include "chrome/common/ipc_logging.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/plugin_messages.h"
 #include "chrome/plugin/chrome_plugin_host.h"
 #include "chrome/plugin/npobject_util.h"
 #include "chrome/plugin/plugin_process.h"
+#include "net/base/net_errors.h"
 #include "webkit/glue/plugins/plugin_lib.h"
 #include "webkit/glue/webkit_glue.h"
 
 PluginThread* PluginThread::plugin_thread_;
 
 PluginThread::PluginThread(PluginProcess* process,
                            const std::wstring& channel_name)
     : plugin_process_(process),
       channel_name_(channel_name),
       owner_loop_(MessageLoop::current()),
@@ skipping 155 matching lines @@
   plugin_thread->Send(
       new PluginProcessHostMsg_GetPluginFinderUrl(plugin_finder_url));
   DCHECK(!plugin_finder_url->empty());
   return true;
 }
 
 bool IsDefaultPluginEnabled() {
   return true;
 }
 
+static int ResolveProxyFromPluginThread(const GURL& url,
+                                        std::string* proxy_result) {
+  int net_error;
+  bool ipc_ok = PluginThread::GetPluginThread()->Send(
+      new PluginProcessHostMsg_ResolveProxy(url, &net_error, proxy_result));
+  return ipc_ok ? net_error : net::ERR_UNEXPECTED;
+}
+
+extern int ResolveProxyFromRenderThread(const GURL&, std::string*);
+// Dispatch the resolve proxy resquest to the right code, depending on which
+// process the plugin is running in {renderer, browser, plugin}.
+//
+// TODO(eroman): Find a better place to put this; plugin_thread.cc isn't really
+// correct since this depends on the renderer thread. One solution is to save
+// the function pointers into a table during initialization.
+bool FindProxyForUrl(const GURL& url, std::string* proxy_list) {
+  int net_error;
+  std::string proxy_result;
+
+  if (PluginThread::GetPluginThread())
+    net_error = ResolveProxyFromPluginThread(url, &proxy_result);
+  else   
+    net_error = ResolveProxyFromRenderThread(url, &proxy_result);
+
+  if (net_error == net::OK) {
+    *proxy_list = proxy_result;
+    return true;  // Success.
+  }
+  return false;  // Fail.
+}
+
 } // namespace webkit_glue