Remove a bunch of provisionalDataSource() usage.

chrome/renderer/net/net_error_helper.cc

 // Copyright (c) 2013 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/net/net_error_helper.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
@@ skipping 39 matching lines @@
 using error_page::DnsProbeStatusToString;
 using error_page::ErrorPageParams;
 using error_page::NetErrorHelperCore;
 
 namespace {
 
 // Number of seconds to wait for the navigation correction service to return
 // suggestions.  If it takes too long, just use the local error page.
 const int kNavigationCorrectionFetchTimeoutSec = 3;
 
-NetErrorHelperCore::PageType GetLoadingPageType(const blink::WebFrame* frame) {
-  GURL url = frame->provisionalDataSource()->request().url();
+NetErrorHelperCore::PageType GetLoadingPageType(
+    const blink::WebDataSource* datasource) {
+  GURL url = datasource->request().url();
   if (!url.is_valid() || url.spec() != kUnreachableWebDataURL)
     return NetErrorHelperCore::NON_ERROR_PAGE;
   return NetErrorHelperCore::ERROR_PAGE;
 }
 
 NetErrorHelperCore::FrameType GetFrameType(const blink::WebFrame* frame) {
   if (!frame->parent())
     return NetErrorHelperCore::MAIN_FRAME;
   return NetErrorHelperCore::SUB_FRAME;
 }
@@ skipping 22 matching lines @@
 
 void NetErrorHelper::ButtonPressed(
     error_page::NetErrorHelperCore::Button button) {
   core_->ExecuteButtonPress(button);
 }
 
 void NetErrorHelper::TrackClick(int tracking_id) {
   core_->TrackClick(tracking_id);
 }
 
-void NetErrorHelper::DidStartProvisionalLoad() {
+void NetErrorHelper::DidStartProvisionalLoad(blink::WebDataSource* datasource) {
   blink::WebFrame* frame = render_frame()->GetWebFrame();
-  core_->OnStartLoad(GetFrameType(frame), GetLoadingPageType(frame));
+  core_->OnStartLoad(GetFrameType(frame), GetLoadingPageType(datasource));
 }
 
 void NetErrorHelper::DidCommitProvisionalLoad(bool is_new_navigation,
                                               bool is_same_page_navigation) {
   // Invalidate weak pointers from old error page controllers. If loading a new
   // error page, the controller has not yet been attached, so this won't affect
   // it.
   weak_controller_delegate_factory_.InvalidateWeakPtrs();
 
   blink::WebFrame* frame = render_frame()->GetWebFrame();
@@ skipping 241 matching lines @@
       success ? data : "",
       render_frame()->GetRenderView()->GetAcceptLanguages(),
       base::i18n::IsRTL());
 }
 
 void NetErrorHelper::OnTrackingRequestComplete(
     const blink::WebURLResponse& response,
     const std::string& data) {
   tracking_fetcher_.reset();
 }