Fix Flash fullscreen focus regressions, and add interactive_ui_tests.

content/browser/web_contents/web_contents_impl.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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 497 matching lines @@
       RenderFrameHostImpl* render_frame_host,
       const GURL& url,
       NavigationController::ReloadType reload_type) override;
   void RequestOpenURL(RenderFrameHostImpl* render_frame_host,
                       const OpenURLParams& params) override;
   bool ShouldPreserveAbortedURLs() override;
 
   // RenderWidgetHostDelegate --------------------------------------------------
 
   void RenderWidgetDeleted(RenderWidgetHostImpl* render_widget_host) override;
+  void RenderWidgetGotFocus(RenderWidgetHostImpl* render_widget_host) override;
   bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                               bool* is_keyboard_shortcut) override;
   void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) override;
   bool HandleWheelEvent(const blink::WebMouseWheelEvent& event) override;
   bool PreHandleGestureEvent(const blink::WebGestureEvent& event) override;
   bool HandleGestureEvent(const blink::WebGestureEvent& event) override;
   void DidSendScreenRects(RenderWidgetHostImpl* rwh) override;
   BrowserAccessibilityManager* GetRootBrowserAccessibilityManager() override;
   BrowserAccessibilityManager* GetOrCreateRootBrowserAccessibilityManager()
       override;
@@ skipping 685 matching lines @@
   scoped_ptr<WebContentsAudioMuter> audio_muter_;
 
   base::WeakPtrFactory<WebContentsImpl> loading_weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_