cros: Hook AppCurrentWindowInternal setActivateOnPointer with aura side api

extensions/browser/app_window/native_app_window.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_APP_WINDOW_NATIVE_APP_WINDOW_H_
 #define EXTENSIONS_BROWSER_APP_WINDOW_NATIVE_APP_WINDOW_H_
 
 #include <memory>
 #include <vector>
 
@@ skipping 76 matching lines @@
   virtual void SetContentSizeConstraints(const gfx::Size& min_size,
                                          const gfx::Size& max_size) = 0;
 
   // Sets whether the window should be visible on all workspaces.
   virtual void SetVisibleOnAllWorkspaces(bool always_visible) = 0;
 
   // Returns false if the underlying native window ignores alpha transparency
   // when compositing.
   virtual bool CanHaveAlphaEnabled() const = 0;
 
+  // Sets whether the window should be activated on pointer event.
+  virtual void SetActivateOnPointer(bool activate_on_pointer) = 0;
+
   ~NativeAppWindow() override {}
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_NATIVE_APP_WINDOW_H_