Consolidate win/x dispatchers

base/message_pump_x.cc

Index: base/message_pump_x.cc
diff --git a/base/message_pump_x.cc b/base/message_pump_x.cc
index 171d5bdcade86f961a5a2262ce9f11f2d8c6505b..a9648dfcf6a488e28d03ad05c813409abb7d23e1 100644
--- a/base/message_pump_x.cc
+++ b/base/message_pump_x.cc
@@ -144,13 +144,12 @@ bool MessagePumpX::ProcessXEvent(MessagePumpDispatcher* dispatcher,
   }
 
   if (!WillProcessXEvent(xev)) {
-    MessagePumpDispatcher::DispatchStatus status =
-        dispatcher->Dispatch(xev);
+    DispatchStatus status = dispatcher->Dispatch(xev);
 
-    if (status == MessagePumpDispatcher::EVENT_QUIT) {
+    if (status == EVENT_QUIT) {
       should_quit = true;
       Quit();
-    } else if (status == MessagePumpDispatcher::EVENT_IGNORED) {
+    } else if (status == EVENT_IGNORED) {
       DVLOG(1) << "Event (" << xev->type << ") not handled.";
     }
     DidProcessXEvent(xev);