<webview>: Move PreHandleGestureEvent in chrome

chrome/browser/guest_view/guest_view_base.h

 // Copyright 2014 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_GUEST_VIEW_GUEST_VIEW_BASE_H_
 #define CHROME_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_
 
 #include <queue>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 109 matching lines @@
   GuestViewBase* GetOpener() const {
     return opener_.get();
   }
 
   void SetOpener(GuestViewBase* opener);
 
   // BrowserPluginGuestDelegate implementation.
   virtual void Destroy() OVERRIDE;
   virtual void RegisterDestructionCallback(
       const DestructionCallback& callback) OVERRIDE;
+  virtual bool PreHandleGestureEvent(
+      content::WebContents* source,
+      const blink::WebGestureEvent& event) OVERRIDE;
 
  protected:
   GuestViewBase(int guest_instance_id,
                 content::WebContents* guest_web_contents,
                 const std::string& embedder_extension_id);
   virtual ~GuestViewBase();
 
   // Dispatches an event |event_name| to the embedder with the |event| fields.
   void DispatchEvent(Event* event);
 
@@ skipping 28 matching lines @@
   scoped_ptr<base::DictionaryValue> extra_params_;
 
   // This is used to ensure pending tasks will not fire after this object is
   // destroyed.
   base::WeakPtrFactory<GuestViewBase> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GuestViewBase);
 };
 
 #endif  // CHROME_BROWSER_GUEST_VIEW_GUEST_VIEW_BASE_H_