Remove WebContentsImpl::OnDidRedirectProvisionalLoad.

chrome/browser/prerender/prerender_tab_helper.h

Index: chrome/browser/prerender/prerender_tab_helper.h
diff --git a/chrome/browser/prerender/prerender_tab_helper.h b/chrome/browser/prerender/prerender_tab_helper.h
index 7baccbcc06c2104386223849e5803e38b54800c3..f55f5c11cc9e12d132833227c5c650c78251b9eb 100644
--- a/chrome/browser/prerender/prerender_tab_helper.h
+++ b/chrome/browser/prerender/prerender_tab_helper.h
@@ -7,6 +7,8 @@
 
 #include "base/time.h"
 #include "base/memory/scoped_ptr.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "googleurl/src/gurl.h"
 
@@ -18,16 +20,13 @@ class PrerenderManager;
 
 // PrerenderTabHelper is responsible for recording perceived pageload times
 // to compare PLT's with prerendering enabled and disabled.
-class PrerenderTabHelper : public content::WebContentsObserver {
+class PrerenderTabHelper : public content::NotificationObserver,
+                           public content::WebContentsObserver {
  public:
   explicit PrerenderTabHelper(TabContentsWrapper* tab);
   virtual ~PrerenderTabHelper();
 
   // content::WebContentsObserver implementation.
-  virtual void ProvisionalChangeToMainFrameUrl(
-      const GURL& url,
-      const GURL& opener_url,
-      content::RenderViewHost* render_view_host) OVERRIDE;
   virtual void DidStopLoading() OVERRIDE;
   virtual void DidStartProvisionalLoadForFrame(
       int64 frame_id,
@@ -44,6 +43,11 @@ class PrerenderTabHelper : public content::WebContentsObserver {
   // Called when this prerendered TabContents has just been swapped in.
   void PrerenderSwappedIn();
 
+  // content::NotificationObserver

[cbentzel, 2012/05/17 18:52:05]

Why did this move to the public interface in this patchset? It  could still be
private.

+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
  private:
   // Helper class to compute pixel-based stats on the paint progress
   // between when a prerendered page is swapped in and when the onload event
@@ -62,6 +66,8 @@ class PrerenderTabHelper : public content::WebContentsObserver {
 
   bool IsTopSite(const GURL& url);
 
+  void HandleResourceReceivedRedirect(const GURL& new_url);
+
   // TabContentsWrapper we're created for.
   TabContentsWrapper* tab_;
 
@@ -77,6 +83,8 @@ class PrerenderTabHelper : public content::WebContentsObserver {
   // Current URL being loaded.
   GURL url_;
 
+  content::NotificationRegistrar notification_registrar_;
+
   DISALLOW_COPY_AND_ASSIGN(PrerenderTabHelper);
 };