PlzNavigate: make content unit tests work with browser side navigation

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index 720235227365ec2a878d20f71b2ef2cba69e3af9..745d43c28c62ef75d21081077979ead600b69224 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -241,9 +241,10 @@ class CONTENT_EXPORT RenderFrameHostImpl
   // active RenderFrames, but not until WasSwappedOut is called.
   void SwapOut(RenderFrameProxyHost* proxy, bool is_loading);
 
-  bool is_waiting_for_beforeunload_ack() const {
-    return is_waiting_for_beforeunload_ack_;
-  }
+  // Whether an ongoing navigation is waiting for a BeforeUnload ACK from the
+  // renderer. Currently this only happens in cross-site navigations.

[nasko, 2015/01/17 00:22:01]

nit: s/renderer/RenderFrame/

[clamy, 2015/01/19 17:29:20]

Done.

+  // PlzNavigate: this happens in every navigation that is not same-page.
+  bool IsWaitingForBeforeUnloadACK() const;
 
   // Whether the RFH is waiting for an unload ACK from the renderer.
   bool IsWaitingForUnloadACK() const;