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

chrome/browser/chromeos/login/ui/login_web_dialog.h

Index: chrome/browser/chromeos/login/ui/login_web_dialog.h
diff --git a/chrome/browser/chromeos/login/ui/login_web_dialog.h b/chrome/browser/chromeos/login/ui/login_web_dialog.h
index 2b4e3670d111b0db1b601711bc38944228b67abe..46cc4437fb1e31d44422e8001a08f2331de39022 100644
--- a/chrome/browser/chromeos/login/ui/login_web_dialog.h
+++ b/chrome/browser/chromeos/login/ui/login_web_dialog.h
@@ -75,21 +75,26 @@ class LoginWebDialog : public ui::WebDialogDelegate {
                             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_;
 
+  // Stores accelerators that want to be registered to the web dialog view.
+  std::vector<ui::Accelerator> accelerators_;
+
   DISALLOW_COPY_AND_ASSIGN(LoginWebDialog);
 };