Add support in the ChromeFrame NPAPI plugin for receiving URL redirect notifi...

chrome_frame/chrome_frame_npapi_entrypoints.cc

 // Copyright (c) 2010 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 "chrome_frame/chrome_frame_npapi_entrypoints.h"
 #include "chrome_frame/chrome_frame_npapi.h"
 
 #define NPAPI WINAPI
 
 // Plugin entry points.
@@ skipping 19 matching lines @@
   plugin_funcs->newstream = chrome_frame::NPP_NewStream;
   plugin_funcs->destroystream = chrome_frame::NPP_DestroyStream;
   plugin_funcs->asfile = NULL;
   plugin_funcs->writeready = chrome_frame::NPP_WriteReady;
   plugin_funcs->write = chrome_frame::NPP_Write;
   plugin_funcs->print = chrome_frame::NPP_Print;
   plugin_funcs->event = NULL;
   plugin_funcs->urlnotify = chrome_frame::NPP_URLNotify;
   plugin_funcs->getvalue = chrome_frame::NPP_GetValue;
   plugin_funcs->setvalue = chrome_frame::NPP_SetValue;
+  plugin_funcs->urlredirectnotify = chrome_frame::NPP_URLRedirectNotify;
   return NPERR_NO_ERROR;
 }
 
 void NPAPI NP_Shutdown() {
   DVLOG(1) << __FUNCTION__;
 
   npapi::UninitializeBrowserFunctions();
 
   _pAtlModule->Unlock();  // matches Lock() inside NP_Initialize
 
@@ skipping 137 matching lines @@
   if (plugin_instance) {
     plugin_instance->UrlNotify(url, reason, notifyData);
   }
 }
 
 void NPP_Print(NPP instance, NPPrint* print_info) {
   ChromeFrameNPAPI* plugin_instance =
       ChromeFrameNPAPI::ChromeFrameInstanceFromPluginInstance(instance);
 
   if (plugin_instance == NULL) {
-    NOTREACHED();
+    NOTREACHED() << "Failed to find plugin instance";
     return;
   }
 
   plugin_instance->Print(print_info);
 }
 
+void NPP_URLRedirectNotify(NPP instance, const char* url, int status,
+                           void* notify_data) {
+  ChromeFrameNPAPI* plugin_instance =
+      ChromeFrameNPAPI::ChromeFrameInstanceFromPluginInstance(instance);
+
+  if (plugin_instance == NULL) {
+    NOTREACHED() << "Failed to find plugin instance";
+    return;

[amit, 2011/01/12 21:50:48]

if we don't get a valid instance then maybe we should fail the request with
NPN_URLRedirectResponse

[ananta, 2011/01/12 22:01:41]

Done.

+  }
+  plugin_instance->URLRedirectNotify(url, status, notify_data);
+}
+
 }  // namespace chrome_frame