ui: Remove TouchStatus in favour of EventResult.

ash/wm/workspace/frame_maximize_button.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/wm/workspace/frame_maximize_button.h"
 
 #include "ash/launcher/launcher.h"
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
 #include "ash/wm/maximize_bubble_controller.h"
@@ skipping 33 matching lines @@
 class FrameMaximizeButton::EscapeEventFilter : public aura::EventFilter {
  public:
   explicit EscapeEventFilter(FrameMaximizeButton* button);
   virtual ~EscapeEventFilter();
 
   // EventFilter overrides:
   virtual bool PreHandleKeyEvent(aura::Window* target,
                                  ui::KeyEvent* event) OVERRIDE;
   virtual bool PreHandleMouseEvent(aura::Window* target,
                                    ui::MouseEvent* event) OVERRIDE;
-  virtual ui::TouchStatus PreHandleTouchEvent(
+  virtual ui::EventResult PreHandleTouchEvent(
       aura::Window* target,
       ui::TouchEvent* event) OVERRIDE;
   virtual ui::EventResult PreHandleGestureEvent(
       aura::Window* target,
       ui::GestureEvent* event) OVERRIDE;
 
  private:
   FrameMaximizeButton* button_;
 
   DISALLOW_COPY_AND_ASSIGN(EscapeEventFilter);
@@ skipping 18 matching lines @@
   }
   return false;
 }
 
 bool FrameMaximizeButton::EscapeEventFilter::PreHandleMouseEvent(
     aura::Window* target,
     ui::MouseEvent* event) {
   return false;
 }
 
-ui::TouchStatus FrameMaximizeButton::EscapeEventFilter::PreHandleTouchEvent(
+ui::EventResult FrameMaximizeButton::EscapeEventFilter::PreHandleTouchEvent(
     aura::Window* target,
     ui::TouchEvent* event) {
-  return ui::TOUCH_STATUS_UNKNOWN;
+  return ui::ER_UNHANDLED;
 }
 
 ui::EventResult FrameMaximizeButton::EscapeEventFilter::PreHandleGestureEvent(
     aura::Window* target,
     ui::GestureEvent* event) {
   return ui::ER_UNHANDLED;
 }
 
 // FrameMaximizeButton ---------------------------------------------------------
 
@@ skipping 466 matching lines @@
     return FRAME_STATE_SNAP_LEFT;
   if (bounds.right() == screen.right())
     return FRAME_STATE_SNAP_RIGHT;
   // If we come here, it is likely caused by the fact that the
   // "VerticalResizeDoubleClick" stored a restore rectangle. In that case
   // we allow all maximize operations (and keep the restore rectangle).
   return FRAME_STATE_NONE;
 }
 
 }  // namespace ash