Fix scroll restoration when exiting fullscreen mode.

content/browser/frame_host/render_frame_host_delegate.h

Index: content/browser/frame_host/render_frame_host_delegate.h
diff --git a/content/browser/frame_host/render_frame_host_delegate.h b/content/browser/frame_host/render_frame_host_delegate.h
index f3038fcc567af331e155e05fde765758418ab92f..85f69d186a0e123facbf17913e46b1f2efd1ebbb 100644
--- a/content/browser/frame_host/render_frame_host_delegate.h
+++ b/content/browser/frame_host/render_frame_host_delegate.h
@@ -151,7 +151,9 @@ class CONTENT_EXPORT RenderFrameHostDelegate {
   virtual void EnterFullscreenMode(const GURL& origin) {}
 
   // Notification that the frame wants to go out of fullscreen mode.
-  virtual void ExitFullscreenMode() {}
+  // |will_cause_resize| can be false in the case where we exit tab fullscreen
+  // into browser fullscreen and thus won't cause bounds to change.
+  virtual void ExitFullscreenMode(bool will_cause_resize) {}
 
   // Let the delegate decide whether postMessage should be delivered to
   // |target_rfh| from a source frame in the given SiteInstance.  This defaults