Make sure bubbles in Views default to close before their RenderFrameHosts.

content/public/test/test_renderer_host.h

Index: content/public/test/test_renderer_host.h
diff --git a/content/public/test/test_renderer_host.h b/content/public/test/test_renderer_host.h
index fae14cea14b76b4aaf6e30d4746f4da8f678e5a7..062c642be91930d4e5305cd31cd56ff6a4da8380 100644
--- a/content/public/test/test_renderer_host.h
+++ b/content/public/test/test_renderer_host.h
@@ -79,6 +79,9 @@ class RenderFrameHostTester {
   // RenderFrameHost is owned by the parent RenderFrameHost.
   virtual RenderFrameHost* AppendChild(const std::string& frame_name) = 0;
 
+  // Gives tests access to RenderFrameHostImpl::OnDetach. Destroys |this|.
+  virtual void Detach() = 0;
+
   // Simulates a renderer-initiated navigation to |url| starting in the
   // RenderFrameHost.
   virtual void SimulateNavigationStart(const GURL& url) = 0;