content: Remove unused RenderViewObserver::DidHandleTouchEvent.

content/renderer/render_view_impl.cc

 // 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.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 3057 matching lines @@
       ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH;
   possible_drag_event_info_.event_location =
       gfx::Point(event.globalX, event.globalY);
   return false;
 }
 
 void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) {
   FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event));
 }
 
-void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) {
-  FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event));
-}
-
 bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const {
   if (!webview())
     return false;
   return webview()->hasTouchEventHandlersAt(point);
 }
 
 void RenderViewImpl::OnWasHidden() {
   RenderWidget::OnWasHidden();
 
 #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC)
@@ skipping 678 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content