Remove unused prefs/api/resource for setPageEncoding

third_party/WebKit/Source/web/WebViewImpl.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 153 matching lines @@
     void applyReplacementRange(const WebRange&) override;
 
     // WebView methods:
     virtual bool isWebView() const { return true; }
     void setMainFrame(WebFrame*) override;
     void setCredentialManagerClient(WebCredentialManagerClient*) override;
     void setPrerendererClient(WebPrerendererClient*) override;
     void setSpellCheckClient(WebSpellCheckClient*) override;
     WebSettings* settings() override;
     WebString pageEncoding() const override;
-    void setPageEncoding(const WebString&) override;
     bool tabsToLinks() const override;
     void setTabsToLinks(bool value) override;
     bool tabKeyCyclesThroughElements() const override;
     void setTabKeyCyclesThroughElements(bool value) override;
     bool isActive() const override;
     void setIsActive(bool value) override;
     void setDomainRelaxationForbidden(bool, const WebString& scheme) override;
     void setWindowFeatures(const WebWindowFeatures&) override;
     void setOpenedByDOM() override;
     void resizeWithTopControls(
@@ skipping 595 matching lines @@
     Persistent<ResizeViewportAnchor> m_resizeViewportAnchor;
 };
 
 // We have no ways to check if the specified WebView is an instance of
 // WebViewImpl because WebViewImpl is the only implementation of WebView.
 DEFINE_TYPE_CASTS(WebViewImpl, WebView, webView, true, true);
 
 } // namespace blink
 
 #endif