DO NOT COMMIT: hack hack hacking on preloading md-settings

content/public/browser/web_ui_data_source.h

 // Copyright (c) 2013 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_PUBLIC_BROWSER_WEB_UI_DATA_SOURCE_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_UI_DATA_SOURCE_H_
 
+#include <map>
+#include <string>
+
 #include "base/callback.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
 
 namespace base {
 class DictionaryValue;
 class RefCountedMemory;
 }
 
 namespace content {
@@ skipping 47 matching lines @@
   // Used by SetRequestFilter. The string parameter is the path of the request.
   // If the callee doesn't want to handle the data, false is returned. Otherwise
   // true is returned and the GotDataCallback parameter is called either then or
   // asynchronously with the response.
   typedef base::Callback<bool(const std::string&, const GotDataCallback&)>
       HandleRequestCallback;
 
   // Allows a caller to add a filter for URL requests.
   virtual void SetRequestFilter(const HandleRequestCallback& callback) = 0;
 
+  virtual const std::map<std::string, int>& path_to_idr_map() const = 0;
+
   // The following map to methods on URLDataSource. See the documentation there.
   // NOTE: it's not acceptable to call DisableContentSecurityPolicy for new
   // pages, see URLDataSource::ShouldAddContentSecurityPolicy and talk to
   // tsepez.
 
   // Currently only used by embedders for WebUIs with multiple instances.
   virtual void DisableReplaceExistingSource() = 0;
   virtual void DisableContentSecurityPolicy() = 0;
   virtual void OverrideContentSecurityPolicyObjectSrc(
       const std::string& data) = 0;
   virtual void OverrideContentSecurityPolicyChildSrc(
       const std::string& data) = 0;
   virtual void DisableDenyXFrameOptions() = 0;
+
+  virtual void AddPreloadHeader(const std::string& preload_header) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_UI_DATA_SOURCE_H_