ui: Remove TouchStatus in favour of EventResult.

ui/aura/root_window_unittest.cc

Index: ui/aura/root_window_unittest.cc
diff --git a/ui/aura/root_window_unittest.cc b/ui/aura/root_window_unittest.cc
index af609adc6eaa234b16df3a3f25af1e1b47a5b059..e8a5524c47b1dab4982c79d6dd0c9664a1ea69b7 100644
--- a/ui/aura/root_window_unittest.cc
+++ b/ui/aura/root_window_unittest.cc
@@ -103,10 +103,10 @@ class EventCountFilter : public EventFilter {
     num_mouse_events_++;
     return true;
   }
-  virtual ui::TouchStatus PreHandleTouchEvent(
+  virtual ui::EventResult PreHandleTouchEvent(
       Window* target, ui::TouchEvent* event) OVERRIDE {
     num_touch_events_++;
-    return ui::TOUCH_STATUS_UNKNOWN;
+    return ui::ER_UNHANDLED;
   }
   virtual ui::EventResult PreHandleGestureEvent(
       Window* target, ui::GestureEvent* event) OVERRIDE {
@@ -459,11 +459,11 @@ class EventFilterRecorder : public EventFilter {
     events_.push_back(event->type());
     return true;
   }
-  virtual ui::TouchStatus PreHandleTouchEvent(
+  virtual ui::EventResult PreHandleTouchEvent(
       Window* target,
       ui::TouchEvent* event) OVERRIDE {
     events_.push_back(event->type());
-    return ui::TOUCH_STATUS_UNKNOWN;
+    return ui::ER_UNHANDLED;
   }
   virtual ui::EventResult PreHandleGestureEvent(
       Window* target,