Convert WebRange to be a simple pair of numbers.

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 <memory>
 
@@ skipping 220 matching lines @@
 using blink::WebMouseEvent;
 using blink::WebNavigationPolicy;
 using blink::WebNavigationType;
 using blink::WebNode;
 using blink::WebPeerConnection00Handler;
 using blink::WebPeerConnection00HandlerClient;
 using blink::WebPeerConnectionHandler;
 using blink::WebPeerConnectionHandlerClient;
 using blink::WebPluginAction;
 using blink::WebPoint;
-using blink::WebRange;
 using blink::WebRect;
 using blink::WebReferrerPolicy;
 using blink::WebScriptSource;
 using blink::WebSearchableFormData;
 using blink::WebSecurityOrigin;
 using blink::WebSecurityPolicy;
 using blink::WebSettings;
 using blink::WebSize;
 using blink::WebStorageNamespace;
 using blink::WebStorageQuotaCallbacks;
@@ skipping 2828 matching lines @@
         return render_frame->focused_pepper_plugin();
     }
     frame = frame->traverseNext(false);
   }
 
   return nullptr;
 }
 #endif
 
 }  // namespace content