Delete code for inspector preferences.

content/renderer/render_view_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_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 402 matching lines @@
   virtual bool didTapMultipleTargets(
       const blink::WebGestureEvent& event,
       const blink::WebVector<blink::WebRect>& target_rects);
 #endif
   virtual blink::WebString acceptLanguages();
   virtual void navigateBackForwardSoon(int offset);
   virtual int historyBackListCount();
   virtual int historyForwardListCount();
   virtual void postAccessibilityEvent(
       const blink::WebAXObject& obj, blink::WebAXEvent event);
-  virtual void didUpdateInspectorSetting(const blink::WebString& key,
-                                         const blink::WebString& value);
   virtual blink::WebSpeechRecognizer* speechRecognizer();
   virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
   virtual void zoomLevelChanged();
   virtual double zoomLevelToZoomFactor(double zoom_level) const;
   virtual double zoomFactorToZoomLevel(double factor) const;
   virtual void registerProtocolHandler(const blink::WebString& scheme,
                                        const blink::WebURL& base_url,
                                        const blink::WebURL& url,
                                        const blink::WebString& title);
   virtual void unregisterProtocolHandler(const blink::WebString& scheme,
@@ skipping 709 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_