Move variations component code to variations namespace.

components/suggestions/suggestions_service.cc

 // 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.
 
 #include "components/suggestions/suggestions_service.h"
 
 #include <sstream>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 35 matching lines @@
 
 // Will log the supplied response |state|.
 void LogResponseState(SuggestionsResponseState state) {
   UMA_HISTOGRAM_ENUMERATION("Suggestions.ResponseState", state,
                             RESPONSE_STATE_SIZE);
 }
 
 // Obtains the experiment parameter under the supplied |key|, or empty string
 // if the parameter does not exist.
 std::string GetExperimentParam(const std::string& key) {
-  return chrome_variations::GetVariationParamValue(kSuggestionsFieldTrialName,
-                                                   key);
+  return variations::GetVariationParamValue(kSuggestionsFieldTrialName, key);
 }
 
 GURL BuildBlacklistRequestURL(const std::string& blacklist_url_prefix,
                               const GURL& candidate_url) {
   return GURL(blacklist_url_prefix +
               net::EscapeQueryParamValue(candidate_url.spec(), true));
 }
 
 // Runs each callback in |requestors| on |suggestions|, then deallocates
 // |requestors|.
@@ skipping 311 matching lines @@
   if (last_request_successful) {
     blacklist_delay_sec_ = kBlacklistDefaultDelaySec;
   } else {
     int candidate_delay = blacklist_delay_sec_ * kBlacklistBackoffMultiplier;
     if (candidate_delay < kBlacklistMaxDelaySec)
       blacklist_delay_sec_ = candidate_delay;
   }
 }
 
 }  // namespace suggestions