Remove WebContentsObserver::ProvisionalChangeToMainFrameUrl and all the code supporting it.

content/browser/frame_host/navigator_impl.cc

 // Copyright 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 "content/browser/frame_host/navigator_impl.h"
 
 #include "base/command_line.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
@@ skipping 275 matching lines @@
     const GURL& url,
     int error_code,
     const base::string16& error_description) {
   if (delegate_) {
     delegate_->DidFailLoadWithError(
         render_frame_host, url, error_code,
         error_description);
   }
 }
 
-void NavigatorImpl::DidRedirectProvisionalLoad(
-    RenderFrameHostImpl* render_frame_host,
-    int32 page_id,
-    const GURL& source_url,
-    const GURL& target_url) {
-  // TODO(creis): Remove this method and have the pre-rendering code listen to
-  // WebContentsObserver::DidGetRedirectForResourceRequest instead.
-  // See http://crbug.com/78512.
-  GURL validated_source_url(source_url);
-  GURL validated_target_url(target_url);
-  RenderProcessHost* render_process_host = render_frame_host->GetProcess();
-  render_process_host->FilterURL(false, &validated_source_url);
-  render_process_host->FilterURL(false, &validated_target_url);
-  NavigationEntry* entry;
-  if (page_id == -1) {
-    entry = controller_->GetPendingEntry();
-  } else {
-    entry = controller_->GetEntryWithPageID(
-        render_frame_host->GetSiteInstance(), page_id);
-  }
-  if (!entry || entry->GetURL() != validated_source_url)
-    return;
-
-  if (delegate_) {
-    delegate_->DidRedirectProvisionalLoad(
-        render_frame_host, validated_target_url);
-  }
-}
-
 bool NavigatorImpl::NavigateToEntry(
     RenderFrameHostImpl* render_frame_host,
     const NavigationEntryImpl& entry,
     NavigationController::ReloadType reload_type) {
   TRACE_EVENT0("browser,navigation", "NavigatorImpl::NavigateToEntry");
 
   // The renderer will reject IPC messages with URLs longer than
   // this limit, so don't attempt to navigate with a longer URL.
   if (entry.GetURL().spec().size() > GetMaxURLChars()) {
     LOG(WARNING) << "Refusing to load URL as it exceeds " << GetMaxURLChars()
@@ skipping 347 matching lines @@
           controller_->GetBrowserContext(), url);
   if ((enabled_bindings & BINDINGS_POLICY_WEB_UI) &&
       !is_allowed_in_web_ui_renderer) {
     // Log the URL to help us diagnose any future failures of this CHECK.
     GetContentClient()->SetActiveURL(url);
     CHECK(0);
   }
 }
 
 }  // namespace content