Refactoring for the InputMethod & InputMethodDelegate interfaces.

ash/host/ash_window_tree_host_x11.cc

Index: ash/host/ash_window_tree_host_x11.cc
diff --git a/ash/host/ash_window_tree_host_x11.cc b/ash/host/ash_window_tree_host_x11.cc
index 1999052530ebac1da66e86527c4d23cc592c6a10..a6971b5cae77d15f3d57308a5569a6b73eb76b7c 100644
--- a/ash/host/ash_window_tree_host_x11.cc
+++ b/ash/host/ash_window_tree_host_x11.cc
@@ -236,15 +236,14 @@ void AshWindowTreeHostX11::TranslateAndDispatchLocatedEvent(
   SendEventToProcessor(event);
 }
 
-bool AshWindowTreeHostX11::DispatchKeyEventPostIME(const ui::KeyEvent& event) {
-  ui::KeyEvent event_copy(event);
+ui::EventDispatchDetails AshWindowTreeHostX11::DispatchKeyEventPostIME(
+    ui::KeyEvent* event) {
   input_method_handler()->SetPostIME(true);
   ui::EventDispatchDetails details =
-      event_processor()->OnEventFromSource(&event_copy);
-  if (details.dispatcher_destroyed)
-    return true;
-  input_method_handler()->SetPostIME(false);
-  return event_copy.stopped_propagation();
+      event_processor()->OnEventFromSource(event);
+  if (!details.dispatcher_destroyed)
+    input_method_handler()->SetPostIME(false);
+  return details;
 }
 
 #if defined(OS_CHROMEOS)