Revert of Always update the omnibox URL when cancelling via onbeforeunload

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
diff --git a/content/browser/renderer_host/render_view_host_delegate.h b/content/browser/renderer_host/render_view_host_delegate.h
index 2c8e25ff76237c2ec8c84fdb41fb0ee58df9368d..1490ac4187988f58e4d763d0da57b4638e6d126e 100644
--- a/content/browser/renderer_host/render_view_host_delegate.h
+++ b/content/browser/renderer_host/render_view_host_delegate.h
@@ -94,6 +94,9 @@
   // The page is trying to move the RenderView's representation in the client.
   virtual void RequestMove(const gfx::Rect& new_bounds) {}
 
+  // The pending page load was canceled.
+  virtual void DidCancelLoading() {}
+
   // The RenderView's main frame document element is ready. This happens when
   // the document has finished parsing.
   virtual void DocumentAvailableInMainFrame(RenderViewHost* render_view_host) {}