Properly throw java exceptions from shouldOverrideUrlLoading

base/message_loop/message_loop.cc

Index: base/message_loop/message_loop.cc
diff --git a/base/message_loop/message_loop.cc b/base/message_loop/message_loop.cc
index 93b9d0a2ec44bcc64567d197996faad652a242ff..ad9e6e182b02ceac55dc8d89b979553d6913e50e 100644
--- a/base/message_loop/message_loop.cc
+++ b/base/message_loop/message_loop.cc
@@ -717,6 +717,16 @@ void MessageLoopForUI::Start() {
   // No Histogram support for UI message loop as it is managed by Java side
   static_cast<MessagePumpForUI*>(pump_.get())->Start(this);
 }
+
+void MessageLoopForUI::StartForTesting(WaitableEvent* test_done_event) {
+  // No Histogram support for UI message loop as it is managed by Java side
+  static_cast<MessagePumpForUI*>(pump_.get())
+      ->StartForTesting(this, test_done_event);
+}
+
+void MessageLoopForUI::Abort() {
+  static_cast<MessagePumpForUI*>(pump_.get())->Abort();
+}
 #endif
 
 #if defined(OS_IOS)