If the renderer drops a navigation, make sure the spinner doesn't spin endlessly.

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index 8e1c65719186c10b67c940f7db1b2df4e72556b3..a747fe8c9f3d4a9557951a8e017ea5c2f47ba498 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -352,6 +352,7 @@ class CONTENT_EXPORT WebContentsImpl
   void RenderFrameDeleted(RenderFrameHost* render_frame_host) override;
   void DidStartLoading(RenderFrameHost* render_frame_host,
                        bool to_different_document) override;
+  void DidStopLoading(RenderFrameHost* render_frame_host) override;
   void SwappedOut(RenderFrameHost* render_frame_host) override;
   void DidDeferAfterResponseStarted(
       const TransitionLayerData& transition_data) override;
@@ -883,9 +884,6 @@ class CONTENT_EXPORT WebContentsImpl
   // Calculates the progress of the current load and notifies the delegate.
   void SendLoadProgressChanged();
 
-  // Called once when the last frame on the page has stopped loading.
-  void DidStopLoading(RenderFrameHost* render_frame_host);
-
   // Misc non-view stuff -------------------------------------------------------
 
   // Helper functions for sending notifications.