Consolidate win/x dispatchers

ui/views/focus/accelerator_handler_win.cc

Index: ui/views/focus/accelerator_handler_win.cc
diff --git a/ui/views/focus/accelerator_handler_win.cc b/ui/views/focus/accelerator_handler_win.cc
index 13c3081ff85899ceafe1050194a110c101f7d7a0..0599ceb0af65ed35f60897d560680181d240f518 100644
--- a/ui/views/focus/accelerator_handler_win.cc
+++ b/ui/views/focus/accelerator_handler_win.cc
@@ -15,7 +15,8 @@ namespace views {
 AcceleratorHandler::AcceleratorHandler() {
 }
 
-bool AcceleratorHandler::Dispatch(const MSG& msg) {
+base::DispatchStatus AcceleratorHandler::Dispatch(
+    const base::NativeEvent& msg) {
   bool process_message = true;
 
   if (msg.message >= WM_KEYFIRST && msg.message <= WM_KEYLAST) {
@@ -41,7 +42,7 @@ bool AcceleratorHandler::Dispatch(const MSG& msg) {
             // Don't translate/dispatch the KEYUP since we have eaten the
             // associated KEYDOWN.
             pressed_keys_.erase(iter);
-            return true;
+            return base::EVENT_PROCESSED;
           }
           break;
         }
@@ -54,7 +55,7 @@ bool AcceleratorHandler::Dispatch(const MSG& msg) {
     DispatchMessage(&msg);
   }
 
-  return true;
+  return base::EVENT_PROCESSED;
 }
 
 }  // namespace views