Add API key to omnibox's suggest requests

chrome/browser/search_engines/template_url.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_SEARCH_ENGINES_TEMPLATE_URL_H_
 #define CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 132 matching lines @@
   enum ReplacementType {
     ENCODING,
     GOOGLE_ACCEPTED_SUGGESTION,
     GOOGLE_ASSISTED_QUERY_STATS,
     GOOGLE_BASE_URL,
     GOOGLE_BASE_SUGGEST_URL,
     GOOGLE_INSTANT_ENABLED,
     GOOGLE_ORIGINAL_QUERY_FOR_SUGGESTION,
     GOOGLE_RLZ,
     GOOGLE_SEARCH_FIELDTRIAL_GROUP,
+    GOOGLE_SUGGEST_API_KEY,
     GOOGLE_UNESCAPED_SEARCH_TERMS,
     LANGUAGE,
     SEARCH_TERMS,
   };
 
   // Used to identify an element of the raw url that can be replaced.
   struct Replacement {
     Replacement(ReplacementType type, size_t index)
         : type(type), index(index) {}
     ReplacementType type;
@@ skipping 279 matching lines @@
   TemplateURLRef url_ref_;
   TemplateURLRef suggestions_url_ref_;
   TemplateURLRef instant_url_ref_;
 
   // TODO(sky): Add date last parsed OSD file.
 
   DISALLOW_COPY_AND_ASSIGN(TemplateURL);
 };
 
 #endif  // CHROME_BROWSER_SEARCH_ENGINES_TEMPLATE_URL_H_