Notify WebContentsObservers of user interactions.

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 451 matching lines @@
   void DidCancelLoading() override;
   void DocumentAvailableInMainFrame(RenderViewHost* render_view_host) override;
   void RouteCloseEvent(RenderViewHost* rvh) override;
   bool AddMessageToConsole(int32 level,
                            const base::string16& message,
                            int32 line_no,
                            const base::string16& source_id) override;
   RendererPreferences GetRendererPrefs(
       BrowserContext* browser_context) const override;
   void OnUserGesture() override;
+  void OnUserInput(const blink::WebInputEvent::Type type) override;
   void OnIgnoredUIEvent() override;
   void RendererUnresponsive(RenderViewHost* render_view_host) override;
   void RendererResponsive(RenderViewHost* render_view_host) override;
   void LoadStateChanged(const GURL& url,
                         const net::LoadStateWithParam& load_state,
                         uint64 upload_position,
                         uint64 upload_size) override;
   void Activate() override;
   void Deactivate() override;
   void LostCapture() override;
@@ skipping 846 matching lines @@
   // Adds/removes a callback called on creation of each new WebContents.
   static void AddCreatedCallbackForTesting(const CreatedCallback& callback);
   static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback);
 
   DISALLOW_COPY_AND_ASSIGN(FriendZone);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_