Moves CustomFrameViewAsh to common

ash/common/wm_window.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_WINDOW_H_
 #define ASH_COMMON_WM_WINDOW_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 25 matching lines @@
 class View;
 class Widget;
 }
 
 namespace ash {
 
 struct ShelfItemDetails;
 class WmLayoutManager;
 class WmRootWindowController;
 class WmShell;
+class WmImmersiveFullscreenController;
 class WmTransientWindowObserver;
 class WmWindowObserver;
 enum class WmWindowProperty;
 
 namespace wm {
 class WindowState;
 }
 
 // This class exists as a porting layer to allow ash/wm to work with
 // aura::Window or ui::Window. See aura::Window for details on the functions.
@@ skipping 206 matching lines @@
   virtual void StackChildAbove(WmWindow* child, WmWindow* target) = 0;
   virtual void StackChildBelow(WmWindow* child, WmWindow* target) = 0;
 
   virtual Windows GetChildren() = 0;
 
   // Shows/hides the resize shadow. |component| is the component to show the
   // shadow for (one of the constants in ui/base/hit_test.h).
   virtual void ShowResizeShadow(int component) = 0;
   virtual void HideResizeShadow() = 0;
 
+  // Installs a resize handler on the window that makes it easier to resize
+  // the window. See ResizeHandleWindowTargeter for the specifics.
+  virtual void InstallResizeHandleWindowTargeter(
+      WmImmersiveFullscreenController* immersive_fullscreen_controller) = 0;
+
   // See description in SetBoundsInScreen().
   virtual void SetBoundsInScreenBehaviorForChildren(BoundsInScreenBehavior) = 0;
 
   // See description of SnapToPixelBoundaryIfNecessary().
   virtual void SetSnapsChildrenToPhysicalPixelBoundary() = 0;
 
   // If an ancestor has been set to snap children to pixel boundaries, then
   // snaps the layer associated with this window to the layer associated with
   // the ancestor.
   virtual void SnapToPixelBoundaryIfNecessary() = 0;
@@ skipping 24 matching lines @@
   virtual void AddLimitedPreTargetHandler(ui::EventHandler* handler) = 0;
   virtual void RemoveLimitedPreTargetHandler(ui::EventHandler* handler) = 0;
 
  protected:
   virtual ~WmWindow() {}
 };
 
 }  // namespace ash
 
 #endif  // ASH_COMMON_WM_WINDOW_H_