Moves CustomFrameViewAsh to common

ash/common/wm/immersive/wm_immersive_fullscreen_controller_delegate.h

+// Copyright 2016 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.
+
+#ifndef ASH_COMMON_WM_IMMERSIVE_WM_IMMERSIVE_FULLSCREEN_CONTROLLER_DELEGATE_H_
+#define ASH_COMMON_WM_IMMERSIVE_WM_IMMERSIVE_FULLSCREEN_CONTROLLER_DELEGATE_H_
+
+#include <vector>
+
+#include "ash/ash_export.h"
+
+namespace gfx {
+class Rect;
+}
+
+namespace ash {
+
+class WmImmersiveFullscreenControllerDelegate {
+ public:
+  // Called when a reveal of the top-of-window views starts.
+  virtual void OnImmersiveRevealStarted() = 0;
+
+  // Called when the top-of-window views have finished closing. This call
+  // implies a visible fraction of 0. SetVisibleFraction(0) may not be called
+  // prior to OnImmersiveRevealEnded().
+  virtual void OnImmersiveRevealEnded() = 0;
+
+  // Called as a result of disabling immersive fullscreen via SetEnabled().
+  virtual void OnImmersiveFullscreenExited() = 0;
+
+  // Called to update the fraction of the top-of-window views height which is
+  // visible.
+  virtual void SetVisibleFraction(double visible_fraction) = 0;
+
+  // Returns a list of rects whose union makes up the top-of-window views.
+  // The returned list is used for hittesting when the top-of-window views
+  // are revealed. GetVisibleBoundsInScreen() must return a valid value when
+  // not in immersive fullscreen for the sake of SetupForTest().
+  virtual std::vector<gfx::Rect> GetVisibleBoundsInScreen() const = 0;
+
+ protected:
+  virtual ~WmImmersiveFullscreenControllerDelegate() {}
+};
+
+}  // namespace ash
+
+#endif  // ASH_COMMON_WM_IMMERSIVE_WM_IMMERSIVE_FULLSCREEN_CONTROLLER_DELEGATE_H_