Properly throw java exceptions from shouldOverrideUrlLoading

base/message_loop/message_loop.h

Index: base/message_loop/message_loop.h
diff --git a/base/message_loop/message_loop.h b/base/message_loop/message_loop.h
index 761c18cafebca857f4541a8d93db249e01bb1d61..8aba05a42d81e8addc551b1fa59dff09afa53bcb 100644
--- a/base/message_loop/message_loop.h
+++ b/base/message_loop/message_loop.h
@@ -599,6 +599,9 @@ class BASE_EXPORT MessageLoopForUI : public MessageLoop {
   // never be called. Instead use Start(), which will forward all the native UI
   // events to the Java message loop.
   void Start();
+  // In Android there are cases where we want to abort immediately without
+  // calling Quit(), in these cases we call Abort().
+  void Abort();
 #endif
 
 #if defined(USE_OZONE) || (defined(USE_X11) && !defined(USE_GLIB))