Remove all direct references to NavigationController from the RenderViewHostM...

chrome/browser/tab_contents/tab_contents.cc

Index: chrome/browser/tab_contents/tab_contents.cc
===================================================================
--- chrome/browser/tab_contents/tab_contents.cc	(revision 26649)
+++ chrome/browser/tab_contents/tab_contents.cc	(working copy)
@@ -451,7 +451,15 @@
   NavigationEntry* entry = controller_.GetActiveEntry();
   return entry ? entry->virtual_url() : GURL::EmptyGURL();
 }
+void TabContents::NotifyRenderViewHostSwitchedFromRenderManager(
+    RenderViewHostSwitchedDetails*details) {
 
+  NotificationService::current()->Notify(
+      NotificationType::RENDER_VIEW_HOST_CHANGED,
+      Source<NavigationController>(
+          &controller_),
+      Details<RenderViewHostSwitchedDetails>(details));
+}
 const string16& TabContents::GetTitle() const {
   // Transient entries take precedence. They are used for interstitial pages
   // that are shown on top of existing pages.
@@ -2033,6 +2041,10 @@
     NotifyNavigationStateChanged(INVALIDATE_TAB);
 }
 
+NavigationEntry*TabContents::GetEntryAtOffsetForRenderManager(int offset) {
+  return controller_.GetEntryAtOffset(offset);
+}
+
 void TabContents::UpdateEncoding(RenderViewHost* render_view_host,
                                  const std::string& encoding) {
   set_encoding(encoding);