Remove WebContentsObserver::DidCommitNavigation

content/browser/frame_host/navigator_delegate.h

Index: content/browser/frame_host/navigator_delegate.h
diff --git a/content/browser/frame_host/navigator_delegate.h b/content/browser/frame_host/navigator_delegate.h
index 14ab69b5733310c42105a3f534ea00dba2bf7680..1494cc339f2ed24e5dcbc75f86475349a36489c1 100644
--- a/content/browser/frame_host/navigator_delegate.h
+++ b/content/browser/frame_host/navigator_delegate.h
@@ -37,11 +37,9 @@ class CONTENT_EXPORT NavigatorDelegate {
   // Called when the navigation is about to be committed in a renderer.
   virtual void ReadyToCommitNavigation(NavigationHandle* navigation_handle) {}
 
-  // Called when a navigation committed.
-  virtual void DidCommitNavigation(NavigationHandle* navigation_handle) {}
-
-  // Called when a document load resulting from the navigation stopped. Note
-  // that |navigation_handle| will be destroyed at the end of this call.
+  // Called when the navigation finished: it was either committed or canceled
+  // before commit.  Note that |navigation_handle| will be destroyed at the end
+  // of this call.
   virtual void DidFinishNavigation(NavigationHandle* navigation_handle) {}
 
   // TODO(clamy): all methods below that are related to navigation