Adding a parameter that will be used to request a transparent doodle.

components/search_provider_logos/google_logo_api.h

 // Copyright 2014 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 COMPONENTS_SEARCH_PROVIDER_LOGOS_GOOGLE_LOGO_API_H_
 #define COMPONENTS_SEARCH_PROVIDER_LOGOS_GOOGLE_LOGO_API_H_
 
 #include <memory>
 #include <string>
 
 #include "base/time/time.h"
 #include "components/search_provider_logos/logo_common.h"
 #include "url/gurl.h"
 
 namespace search_provider_logos {
 
 // Implements AppendFingerprintToLogoURL, defined in logo_tracker.h, for Google
 // doodles.
 GURL GoogleAppendQueryparamsToLogoURL(const GURL& logo_url,
                                       const std::string& fingerprint,
-                                      bool wants_cta);
+                                      bool wants_cta,
+                                      bool transparent);
 
 // Implements ParseLogoResponse, defined in logo_tracker.h, for Google doodles.
 std::unique_ptr<EncodedLogo> GoogleParseLogoResponse(
     const std::unique_ptr<std::string>& response,
     base::Time response_time,
     bool* parsing_failed);
 
 }  // namespace search_provider_logos
 
 #endif  // COMPONENTS_SEARCH_PROVIDER_LOGOS_GOOGLE_LOGO_API_H_