Notify WebContentsObservers of user interactions.

content/browser/renderer_host/render_view_host_delegate.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_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/process/kill.h"
 #include "base/strings/string16.h"
 #include "content/browser/dom_storage/session_storage_namespace_impl.h"
 #include "content/common/content_export.h"
 #include "net/base/load_states.h"
 #include "third_party/WebKit/public/platform/WebDisplayMode.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
 #include "third_party/WebKit/public/web/WebPopupType.h"
 #include "ui/base/window_open_disposition.h"
 
 class GURL;
 class SkBitmap;
 struct ViewHostMsg_CreateWindow_Params;
 struct FrameHostMsg_DidCommitProvisionalLoad_Params;
 
 namespace base {
 class ListValue;
@@ skipping 105 matching lines @@
   // Return a dummy RendererPreferences object that will be used by the renderer
   // associated with the owning RenderViewHost.
   virtual RendererPreferences GetRendererPrefs(
       BrowserContext* browser_context) const = 0;
 
   // Notification the user has made a gesture while focus was on the
   // page. This is used to avoid uninitiated user downloads (aka carpet
   // bombing), see DownloadRequestLimiter for details.
   virtual void OnUserGesture() {}
 
+  // Notification the user has performed a direct input while focus was on the
+  // page. This is used to inform the delegate that a user is interacting with
+  // a site.
+  virtual void OnUserInput(const blink::WebInputEvent::Type type) {}
+
   // Notification from the renderer host that blocked UI event occurred.
   // This happens when there are tab-modal dialogs. In this case, the
   // notification is needed to let us draw attention to the dialog (i.e.
   // refocus on the modal dialog, flash title etc).
   virtual void OnIgnoredUIEvent() {}
 
   // Notification that the renderer has become unresponsive. The
   // delegate can use this notification to show a warning to the user.
   virtual void RendererUnresponsive(RenderViewHost* render_view_host) {}
 
@@ skipping 124 matching lines @@
   virtual void SetIsVirtualKeyboardRequested(bool requested) {}
   virtual bool IsVirtualKeyboardRequested();
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_