Pass the render view host with all provisional load related callbacks on the web contents observer

chrome/browser/extensions/api/web_navigation/web_navigation_api.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.
 
 // Implements the Chrome Extensions WebNavigation API.
 
 #include "chrome/browser/extensions/api/web_navigation/web_navigation_api.h"
 
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
@@ skipping 567 matching lines @@
   if (!navigation_state_.CanSendEvents(frame_id))
     return;
   DispatchOnBeforeNavigate(
       web_contents(), frame_id, is_main_frame, validated_url);
 }
 
 void WebNavigationTabObserver::DidCommitProvisionalLoadForFrame(
     int64 frame_id,
     bool is_main_frame,
     const GURL& url,
-    content::PageTransition transition_type) {
+    content::PageTransition transition_type,
+    content::RenderViewHost* render_view_host) {
   if (!navigation_state_.CanSendEvents(frame_id))
     return;
 
   bool is_reference_fragment_navigation =
       IsReferenceFragmentNavigation(frame_id, url);
 
   // Update the URL as it might have changed.
   navigation_state_.UpdateFrame(frame_id, url);
   navigation_state_.SetNavigationCommitted(frame_id);
 
@@ skipping 19 matching lines @@
         url,
         transition_type);
   }
 }
 
 void WebNavigationTabObserver::DidFailProvisionalLoad(
     int64 frame_id,
     bool is_main_frame,
     const GURL& validated_url,
     int error_code,
-    const string16& error_description) {
+    const string16& error_description,
+    content::RenderViewHost* render_view_host) {
   if (!navigation_state_.CanSendEvents(frame_id))
     return;
   navigation_state_.SetErrorOccurredInFrame(frame_id);
   DispatchOnErrorOccurred(
       web_contents(), validated_url, frame_id, is_main_frame, error_code);
 }
 
 void WebNavigationTabObserver::DocumentLoadedInFrame(
     int64 frame_id) {
   if (!navigation_state_.CanSendEvents(frame_id))
@@ skipping 163 matching lines @@
     frameDict->SetBoolean(
         keys::kErrorOccurredKey,
         navigation_state.GetErrorOccurredInFrame(*frame));
     resultList->Append(frameDict);
   }
   result_.reset(resultList);
   return true;
 }
 
 }  // namespace extensions