Merge 68646 - Makes instant run before unload listeners....

chrome/browser/tab_contents/tab_contents.h

Index: chrome/browser/tab_contents/tab_contents.h
===================================================================
--- chrome/browser/tab_contents/tab_contents.h	(revision 68655)
+++ chrome/browser/tab_contents/tab_contents.h	(working copy)
@@ -345,6 +345,12 @@
   virtual void ShowContents();
   virtual void HideContents();
 
+  // Returns true if the before unload and unload listeners need to be
+  // fired. The value of this changes over time. For example, if true and the
+  // before unload listener is executed and allows the user to exit, then this
+  // returns false.
+  bool NeedToFireBeforeUnload();
+
 #ifdef UNIT_TEST
   // Expose the render manager for testing.
   RenderViewHostManager* render_manager() { return &render_manager_; }