Remove unused in-process pepper APIs

content/renderer/pepper/pepper_webplugin_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_PEPPER_PEPPER_WEBPLUGIN_IMPL_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_WEBPLUGIN_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 56 matching lines @@
                                             void* notify_data);
   virtual void didFailLoadingFrameRequest(const blink::WebURL& url,
                                           void* notify_data,
                                           const blink::WebURLError& error);
   virtual bool hasSelection() const;
   virtual blink::WebString selectionAsText() const;
   virtual blink::WebString selectionAsMarkup() const;
   virtual blink::WebURL linkAtPosition(const blink::WebPoint& position) const;
   virtual bool getPrintPresetOptionsFromDocument(
       blink::WebPrintPresetOptions* preset_options);
-  virtual void setZoomLevel(double level, bool text_only);
   virtual bool startFind(const blink::WebString& search_text,
                          bool case_sensitive,
                          int identifier);
   virtual void selectFindResult(bool forward);
   virtual void stopFind();
   virtual bool supportsPaginatedPrint() override;
   virtual bool isPrintScalingDisabled() override;
 
   virtual int printBegin(const blink::WebPrintParams& print_params) override;
   virtual bool printPage(int page_number, blink::WebCanvas* canvas) override;
@@ skipping 18 matching lines @@
   gfx::Rect plugin_rect_;
   PP_Var instance_object_;
   blink::WebPluginContainer* container_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperWebPluginImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_WEBPLUGIN_IMPL_H_