Remove remaining TOUCH_UI code under chromeos.

chrome/browser/chromeos/legacy_window_manager/wm_message_listener.cc

Index: chrome/browser/chromeos/legacy_window_manager/wm_message_listener.cc
diff --git a/chrome/browser/chromeos/legacy_window_manager/wm_message_listener.cc b/chrome/browser/chromeos/legacy_window_manager/wm_message_listener.cc
index 42d9613faa7034dfa23c618439218e3727a526da..f9be739fe0a966e5d5e5c7dd373e8833a6f03419 100644
--- a/chrome/browser/chromeos/legacy_window_manager/wm_message_listener.cc
+++ b/chrome/browser/chromeos/legacy_window_manager/wm_message_listener.cc
@@ -16,16 +16,6 @@ WmMessageListener* WmMessageListener::GetInstance() {
   return instance;
 }
 
-#if defined(TOUCH_UI)
-// MessageLoopForUI::Observer overrides.
-base::EventStatus WmMessageListener::WillProcessEvent(
-    const base::NativeEvent& event) OVERRIDE {
-  return base::EVENT_CONTINUE;
-}
-
-void WmMessageListener::DidProcessEvent(const base::NativeEvent& event) {
-}
-#else
 void WmMessageListener::WillProcessEvent(GdkEvent* event) {
 }
 
@@ -45,7 +35,6 @@ void WmMessageListener::DidProcessEvent(GdkEvent* event) {
       WmIpc::instance()->HandleRootWindowPropertyEvent(*property_event);
   }
 }
-#endif
 
 WmMessageListener::WmMessageListener() {
 }