Hooking the discovery API to the NTP.

chrome/browser/ui/webui/ntp/suggestions_source.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_SUGGESTIONS_SOURCE_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_H_
 #pragma once
 
+#include "base/basictypes.h"
+
 class Profile;
 class SuggestionsCombiner;
 
 namespace base {
 class DictionaryValue;
 }
 
 // Interface for a source of suggested pages. The various sources will be
 // combined by the SuggestionsCombiner.
 class SuggestionsSource {
@@ skipping 27 matching lines @@
 
   // Sets the combiner holding this suggestion source. This method can only
   // be called once.
   virtual void SetCombiner(SuggestionsCombiner* combiner) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SuggestionsSource);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_SOURCE_H_