cros: Bind hangup red button on remote controller to close web dialog

chrome/browser/chromeos/login/ui/login_web_dialog.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 CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_WEB_DIALOG_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_WEB_DIALOG_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 35 matching lines @@
   void Show();
 
   // Overrides default width/height for dialog.
   void SetDialogSize(int width, int height);
 
   // Overrides dialog title.
   void SetDialogTitle(const base::string16& title);
 
   static content::WebContents* GetCurrentWebContents();
 
+  // Returns |dialog_window_| instance for test, can be NULL if dialog is not
+  // shown or closed.
+  gfx::NativeWindow get_dialog_window_for_test() const {
+    return dialog_window_;
+  }
+
  protected:
   // ui::WebDialogDelegate implementation.
   ui::ModalType GetDialogModalType() const override;
   base::string16 GetDialogTitle() const override;
   GURL GetDialogContentURL() const override;
   void GetWebUIMessageHandlers(
       std::vector<content::WebUIMessageHandler*>* handlers) const override;
   void GetDialogSize(gfx::Size* size) const override;
   void GetMinimumDialogSize(gfx::Size* size) const override;
   std::string GetDialogArgs() const override;
   void OnDialogShown(content::WebUI* webui,
                      content::RenderViewHost* render_view_host) override;
   // NOTE: This function deletes this object at the end.
   void OnDialogClosed(const std::string& json_retval) override;
   void OnCloseContents(content::WebContents* source,
                        bool* out_close_dialog) override;
   bool ShouldShowDialogTitle() const override;
   bool HandleContextMenu(const content::ContextMenuParams& params) override;
   bool HandleOpenURLFromTab(content::WebContents* source,
                             const content::OpenURLParams& params,
                             content::WebContents** out_new_contents) override;
   bool HandleShouldCreateWebContents() override;
+  std::vector<ui::Accelerator> GetAccelerators() override;
+  bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
 
  private:
   content::BrowserContext* const browser_context_;
   gfx::NativeWindow parent_window_;
+  gfx::NativeWindow dialog_window_;
   // Notifications receiver.
   Delegate* const delegate_;
 
   base::string16 title_;
   const GURL url_;
-  bool is_open_;
 
   // Dialog display size.
   int width_;
   int height_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginWebDialog);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_UI_LOGIN_WEB_DIALOG_H_