Cleanup: Remove dead code in NewTabUI

chrome/browser/ui/webui/ntp/new_tab_ui.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 CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_
 
-#include <map>
 #include <string>

[Dan Beam, 2017/05/11 17:37:40]

one might argue you could remove this as well...

[Marc Treib, 2017/05/12 08:38:39]

Because it's only mentioned as part of overridden methods? Eh.. sure, done. [I
honestly don't know which way "IWYU" goes in this situation :)]

 
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "content/public/browser/url_data_source.h"
 #include "content/public/browser/web_ui_controller.h"
 
 class GURL;
 class Profile;
 
@@ skipping 45 matching lines @@
         const std::string& path,
         const content::ResourceRequestInfo::WebContentsGetter& wc_getter,
         const content::URLDataSource::GotDataCallback& callback) override;
     std::string GetMimeType(const std::string&) const override;
     bool ShouldReplaceExistingSource() const override;
     std::string GetContentSecurityPolicyScriptSrc() const override;
     std::string GetContentSecurityPolicyStyleSrc() const override;
     std::string GetContentSecurityPolicyImgSrc() const override;
     std::string GetContentSecurityPolicyChildSrc() const override;
 
-    // Adds |resource| to the source. |resource_id| is resource id or 0,
-    // which means return empty data set. |mime_type| is mime type of the
-    // resource.
-    void AddResource(const char* resource,
-                     const char* mime_type,
-                     int resource_id);
-
    private:
     // Pointer back to the original profile.
     Profile* profile_;
 
-    // Maps resource files to mime types an resource ids.
-    std::map<std::string, std::pair<std::string, int> > resource_map_;
-
     DISALLOW_COPY_AND_ASSIGN(NewTabHTMLSource);
   };
 
   void OnShowBookmarkBarChanged();
 
   Profile* GetProfile() const;
 
   PrefChangeRegistrar pref_change_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(NewTabUI);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_NEW_TAB_UI_H_