Refactoring the ownership of ui::InputMethod.

ui/aura/remote_window_tree_host_win.cc

Index: ui/aura/remote_window_tree_host_win.cc
diff --git a/ui/aura/remote_window_tree_host_win.cc b/ui/aura/remote_window_tree_host_win.cc
index c44234ce86e6215e5de4b035e618683e36270641..7894c3615db17897bbafbd23d35a3626447b6087 100644
--- a/ui/aura/remote_window_tree_host_win.cc
+++ b/ui/aura/remote_window_tree_host_win.cc
@@ -271,10 +271,6 @@ void RemoteWindowTreeHostWin::OnCursorVisibilityChangedNative(bool show) {
   NOTIMPLEMENTED();
 }
 
-ui::EventProcessor* RemoteWindowTreeHostWin::GetEventProcessor() {
-  return dispatcher();
-}
-
 void RemoteWindowTreeHostWin::CancelComposition() {
   if (!host_)
     return;
@@ -433,8 +429,7 @@ void RemoteWindowTreeHostWin::OnSetCursorPosAck() {
 
 ui::RemoteInputMethodPrivateWin*
 RemoteWindowTreeHostWin::GetRemoteInputMethodPrivate() {
-  ui::InputMethod* input_method = GetAshWindow()->GetProperty(
-      aura::client::kRootWindowInputMethodKey);
+  ui::InputMethod* input_method = GetAshWindow()->GetHost()->GetInputMethod();
   return ui::RemoteInputMethodPrivateWin::Get(input_method);
 }