Move DidStartLoading, DidStopLoading, DidChangeLoadProgress to RFHI.

content/browser/frame_host/navigator.h

Index: content/browser/frame_host/navigator.h
diff --git a/content/browser/frame_host/navigator.h b/content/browser/frame_host/navigator.h
index 981bd8af8cd9f60f5b08f7f3791ff4a7e19d1ee2..8771dd26496f6c72f43a898c83ba2b1ac9794e15 100644
--- a/content/browser/frame_host/navigator.h
+++ b/content/browser/frame_host/navigator.h
@@ -7,6 +7,7 @@
 
 #include "base/memory/ref_counted.h"
 #include "base/time/time.h"
+#include "content/browser/frame_host/navigator_delegate.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/navigation_controller.h"
 #include "ui/base/window_open_disposition.h"
@@ -26,7 +27,6 @@ class FrameTreeNode;
 class NavigationControllerImpl;
 class NavigationEntryImpl;
 class NavigationRequest;
-class NavigatorDelegate;
 class RenderFrameHostImpl;
 class ResourceRequestBody;
 class StreamHandle;
@@ -43,6 +43,9 @@ struct ResourceResponse;
 // from WebContentsImpl to this interface.
 class CONTENT_EXPORT Navigator : public base::RefCounted<Navigator> {
  public:
+  // Returns the delegate of this Navigator.
+  virtual NavigatorDelegate* GetDelegate();
+
   // Returns the NavigationController associated with this Navigator.
   virtual NavigationController* GetController();
 
@@ -88,7 +91,6 @@ class CONTENT_EXPORT Navigator : public base::RefCounted<Navigator> {
       FrameTreeNode* frame_tree_node,
       NavigationController::ReloadType reload_type);
 
-
   // Navigation requests -------------------------------------------------------
 
   virtual base::TimeTicks GetCurrentLoadStart();