Consolidate win/x dispatchers

base/message_loop_unittest.cc

Index: base/message_loop_unittest.cc
diff --git a/base/message_loop_unittest.cc b/base/message_loop_unittest.cc
index b404dc80a2d9f88d7ce1d18e4a493cb992a78ceb..900d7c049cbff4d84fc027d649c4d7327ea9ad73 100644
--- a/base/message_loop_unittest.cc
+++ b/base/message_loop_unittest.cc
@@ -1080,7 +1080,7 @@ class DispatcherImpl : public MessageLoopForUI::Dispatcher {
  public:
   DispatcherImpl() : dispatch_count_(0) {}
 
-  virtual bool Dispatch(const MSG& msg) {
+  virtual base::DispatchStatus Dispatch(const base::NativeEvent& msg) OVERRIDE {
     ::TranslateMessage(&msg);
     ::DispatchMessage(&msg);
     // Do not count WM_TIMER since it is not what we post and it will cause
@@ -1088,7 +1088,8 @@ class DispatcherImpl : public MessageLoopForUI::Dispatcher {
     if (msg.message != WM_TIMER)
       ++dispatch_count_;
     // We treat WM_LBUTTONUP as the last message.
-    return msg.message != WM_LBUTTONUP;
+    return msg.message != WM_LBUTTONUP ?
+        base::EVENT_PROCESSED : base::EVENT_QUIT;
   }
 
   int dispatch_count_;