Revert of Supervised user SafeSites: Expose & use API key from src-internal

google_apis/google_api_keys.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 GOOGLE_APIS_GOOGLE_API_KEYS_H_
 #define GOOGLE_APIS_GOOGLE_API_KEYS_H_
 
 // If you add more includes to this file, you also need to add them to
 // google_api_keys_unittest.cc.
 #include <string>
@@ skipping 48 matching lines @@
 // Returns true if no dummy API keys or OAuth2 tokens are set.
 bool HasKeysConfigured();
 
 // Retrieves the API key, a.k.a. developer key, or a dummy string
 // if not set.
 //
 // Note that the key should be escaped for the context you use it in,
 // e.g. URL-escaped if you use it in a URL.
 std::string GetAPIKey();
 
-std::string GetSafeSitesAPIKey();
-
 // Represents the different sets of client IDs and secrets in use.
 enum OAuth2Client {
   CLIENT_MAIN,         // Several different features use this.
   CLIENT_CLOUD_PRINT,
   CLIENT_REMOTING,
   CLIENT_REMOTING_HOST,
 
   CLIENT_NUM_ITEMS     // Must be last item.
 };
 
@@ skipping 14 matching lines @@
 // Returns the auth token for the data reduction proxy.
 std::string GetSpdyProxyAuthValue();
 
 // Returns if the API key using in the current build is the one for official
 // Google Chrome.
 bool IsGoogleChromeAPIKeyUsed();
 
 }  // namespace google_apis
 
 #endif  // GOOGLE_APIS_GOOGLE_API_KEYS_H_