Ensure that the first run bubble displays as an inactive bubble window which ensures that it does n…

chrome/browser/ui/views/first_run_bubble.h

 // Copyright (c) 2012 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_UI_VIEWS_FIRST_RUN_BUBBLE_H_
 #define CHROME_BROWSER_UI_VIEWS_FIRST_RUN_BUBBLE_H_
 
+#include "base/macros.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/link_listener.h"
 
 class Browser;
 
 class FirstRunBubble : public views::BubbleDelegateView,
                        public views::LinkListener {
  public:
   // |browser| is the opening browser and is NULL in unittests.
   static FirstRunBubble* ShowBubble(Browser* browser, views::View* anchor_view);
 
  protected:
   // views::BubbleDelegateView overrides:
   void Init() override;
 
  private:
   FirstRunBubble(Browser* browser, views::View* anchor_view);
   ~FirstRunBubble() override;
 
+  // This class observes keyboard events targeted towards the target view
+  // dismisses the first run bubble accordingly.
+  class FirstRunBubbleCloser : public ui::EventHandler {
+   public:
+    FirstRunBubbleCloser(FirstRunBubble* bubble, views::View* anchor_view);
+    ~FirstRunBubbleCloser() override;
+
+    // ui::EventHandler overrides.
+    void OnKeyEvent(ui::KeyEvent* event) override;
+
+   private:
+    void AddKeyboardEventObserver();
+    void RemoveKeyboardEventObserver();
+
+    // The bubble instance.
+    FirstRunBubble* bubble_;
+
+    // The widget we are observing for keyboard events.
+    views::Widget* anchor_widget_;
+
+    DISALLOW_COPY_AND_ASSIGN(FirstRunBubbleCloser);
+  };
+
   // views::LinkListener overrides:
   void LinkClicked(views::Link* source, int event_flags) override;
 
   Browser* browser_;
+  FirstRunBubbleCloser bubble_closer_;
 
   DISALLOW_COPY_AND_ASSIGN(FirstRunBubble);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FIRST_RUN_BUBBLE_H_