Refactoring for the InputMethod & InputMethodDelegate interfaces.

ash/host/ash_remote_window_tree_host_win.cc

Index: ash/host/ash_remote_window_tree_host_win.cc
diff --git a/ash/host/ash_remote_window_tree_host_win.cc b/ash/host/ash_remote_window_tree_host_win.cc
index b51f1a603c987c3265a28c90df0b444f90e68f5c..f3191b5eda025a7b7d9fdeca211cd7d1b07224e6 100644
--- a/ash/host/ash_remote_window_tree_host_win.cc
+++ b/ash/host/ash_remote_window_tree_host_win.cc
@@ -58,16 +58,14 @@ void AshRemoteWindowTreeHostWin::UpdateRootWindowSize(
   transformer_helper_.UpdateWindowSize(host_size);
 }
 
-bool AshRemoteWindowTreeHostWin::DispatchKeyEventPostIME(
-    const ui::KeyEvent& event) {
-  ui::KeyEvent event_copy(event);
+ui::EventDispatchDetails AshRemoteWindowTreeHostWin::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;
 }
 
 }  // namespace ash