Add user_gesture param to BaseWindow::Activate

extensions/shell/browser/shell_native_app_window_aura.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_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_AURA_H_
 #define EXTENSIONS_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_AURA_H_
 
 #include "base/macros.h"
 #include "extensions/shell/browser/shell_native_app_window.h"
 
 namespace extensions {
 
 // The Aura-specific parts of the app_shell NativeAppWindow implementation.
 class ShellNativeAppWindowAura : public ShellNativeAppWindow {
  public:
   ShellNativeAppWindowAura(extensions::AppWindow* app_window,
                            const AppWindow::CreateParams& params);
   ~ShellNativeAppWindowAura() override;
 
   // ui::BaseWindow:
   bool IsActive() const override;
   gfx::NativeWindow GetNativeWindow() const override;
   gfx::Rect GetBounds() const override;
   void Show() override;
   void Hide() override;
-  void Activate() override;
+  void Activate(bool user_gesture) override;
   void Deactivate() override;
   void SetBounds(const gfx::Rect& bounds) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ShellNativeAppWindowAura);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_SHELL_BROWSER_SHELL_NATIVE_APP_WINDOW_AURA_H_