Allow transitions to WebUI pages which are extension urls (new tab page is the relevant example).

chrome/renderer/chrome_content_renderer_client.cc

 // 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.
 
 #include "chrome/renderer/chrome_content_renderer_client.h"
 
 #include <string>
+#include <vector>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/string_tokenizer.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_content_client.h"
@@ skipping 749 matching lines @@
   // in a normal process, or if it's a process for an extension that has been
   // uninstalled.
   if (frame->top()->document().url() == url) {
     if (is_extension_url != extension_dispatcher_->is_extension_process())
       return true;
   }
 
   return false;
 }
 
-bool ChromeContentRendererClient::WillSendRequest(WebKit::WebFrame* frame,
-                                                  const GURL& url,
-                                                  GURL* new_url) {
+bool ChromeContentRendererClient::WillSendRequest(
+    WebKit::WebFrame* frame,
+    content::PageTransition transition_type,
+    const GURL& url,
+    GURL* new_url) {
   // Check whether the request should be allowed. If not allowed, we reset the
   // URL to something invalid to prevent the request and cause an error.
   if (url.SchemeIs(chrome::kExtensionScheme) &&
       !ExtensionResourceRequestPolicy::CanRequestResource(
           url,
           frame,
+          transition_type,
           extension_dispatcher_->extensions())) {
     *new_url = GURL("chrome-extension://invalid/");
     return true;
-
   }
 
   if (url.SchemeIs(chrome::kExtensionResourceScheme) &&
       !ExtensionResourceRequestPolicy::CanRequestExtensionResourceScheme(
           url,
           frame)) {
     *new_url = GURL("chrome-extension-resource://invalid/");
     return true;
   }
 
@@ skipping 147 matching lines @@
 bool ChromeContentRendererClient::IsOtherExtensionWithWebRequestInstalled() {
   return extension_dispatcher_->IsOtherExtensionWithWebRequestInstalled();
 }
 
 void ChromeContentRendererClient::RegisterPPAPIInterfaceFactories(
     webkit::ppapi::PpapiInterfaceFactoryManager* factory_manager) {
   factory_manager->RegisterFactory(ChromePPAPIInterfaceFactory);
 }
 
 }  // namespace chrome