Fix scroll restoration when exiting fullscreen mode.

content/public/browser/web_contents.h

Index: content/public/browser/web_contents.h
diff --git a/content/public/browser/web_contents.h b/content/public/browser/web_contents.h
index 1ba281c1b69a485b40965a4398d129bc8e8e5e2c..ecaffdd6a4f3d68a43772318ac9bce3755610db3 100644
--- a/content/public/browser/web_contents.h
+++ b/content/public/browser/web_contents.h
@@ -669,7 +669,9 @@ class WebContents : public PageNavigator,
   virtual void HasManifest(const HasManifestCallback& callback) = 0;
 
   // Requests the renderer to exit fullscreen.
-  virtual void ExitFullscreen() = 0;
+  // |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 ExitFullscreen(bool will_cause_resize) = 0;
 
   // Unblocks requests from renderer for a newly created window. This is
   // used in showCreatedWindow() or sometimes later in cases where