[Variations] Bring variations_http_header_provider to variations component

chrome/browser/autocomplete/search_provider.cc

 // Copyright 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.
 
 #include "chrome/browser/autocomplete/search_provider.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/base64.h"
@@ skipping 10 matching lines @@
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/autocomplete_classifier.h"
 #include "chrome/browser/autocomplete/autocomplete_classifier_factory.h"
 #include "chrome/browser/autocomplete/autocomplete_provider_listener.h"
 #include "chrome/browser/autocomplete/autocomplete_result.h"
 #include "chrome/browser/autocomplete/chrome_autocomplete_scheme_classifier.h"
 #include "chrome/browser/autocomplete/keyword_provider.h"
 #include "chrome/browser/bookmarks/bookmark_model_factory.h"
 #include "chrome/browser/history/history_service.h"
 #include "chrome/browser/history/history_service_factory.h"
-#include "chrome/browser/metrics/variations/variations_http_header_provider.h"
 #include "chrome/browser/omnibox/omnibox_field_trial.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/ui/search/instant_controller.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/autocomplete/url_prefix.h"
 #include "components/google/core/browser/google_util.h"
 #include "components/history/core/browser/in_memory_database.h"
 #include "components/history/core/browser/keyword_search_term.h"
 #include "components/metrics/proto/omnibox_input_type.pb.h"
 #include "components/search_engines/template_url_prepopulate_data.h"
 #include "components/search_engines/template_url_service.h"
+#include "components/variations/variations_http_header_provider.h"
 #include "content/public/browser/user_metrics.h"
 #include "grit/generated_resources.h"
 #include "net/base/escape.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_util.h"
 #include "net/http/http_request_headers.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_request_status.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "url/url_constants.h"
@@ skipping 615 matching lines @@
 
   suggest_results_pending_++;
   LogOmniboxSuggestRequest(REQUEST_SENT);
 
   net::URLFetcher* fetcher =
       net::URLFetcher::Create(id, suggest_url, net::URLFetcher::GET, this);
   fetcher->SetRequestContext(profile_->GetRequestContext());
   fetcher->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES);
   // Add Chrome experiment state to the request headers.
   net::HttpRequestHeaders headers;
-  chrome_variations::VariationsHttpHeaderProvider::GetInstance()->AppendHeaders(
+  variations::VariationsHttpHeaderProvider::GetInstance()->AppendHeaders(
       fetcher->GetOriginalURL(), profile_->IsOffTheRecord(), false, &headers);
   fetcher->SetExtraRequestHeaders(headers.ToString());
   fetcher->Start();
   return fetcher;
 }
 
 void SearchProvider::ConvertResultsToAutocompleteMatches() {
   // Convert all the results to matches and add them to a map, so we can keep
   // the most relevant match for each result.
   base::TimeTicks start_time(base::TimeTicks::Now());
@@ skipping 474 matching lines @@
     // Make the base64 encoded value URL and filename safe(see RFC 3548).
     std::replace(current_token_.begin(), current_token_.end(), '+', '-');
     std::replace(current_token_.begin(), current_token_.end(), '/', '_');
   }
 
   // Extend expiration time another 60 seconds.
   token_expiration_time_ = current_time + base::TimeDelta::FromSeconds(60);
 
   return current_token_;
 }