Move //components/metrics/compression_utils into standalone component

components/metrics/persisted_logs.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/metrics/persisted_logs.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/md5.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/sha1.h"
 #include "base/timer/elapsed_timer.h"
-#include "components/metrics/compression_utils.h"
+#include "components/compression/compression_utils.h"
 
 namespace metrics {
 
 namespace {
 
 PersistedLogs::LogReadStatus MakeRecallStatusHistogram(
     PersistedLogs::LogReadStatus status) {
   UMA_HISTOGRAM_ENUMERATION("PrefService.PersistentLogRecallProtobufs",
                             status, PersistedLogs::END_RECALL_STATUS);
   return status;
@@ skipping 15 matching lines @@
   std::string base64_str;
   base::Base64Encode(str, &base64_str);
   list_value->AppendString(base64_str);
 }
 
 }  // namespace
 
 void PersistedLogs::LogHashPair::Init(const std::string& log_data) {
   DCHECK(!log_data.empty());
 
-  if (!GzipCompress(log_data, &compressed_log_data)) {
+  if (!compression::GzipCompress(log_data, &compressed_log_data)) {
     NOTREACHED();
     return;
   }
 
   UMA_HISTOGRAM_PERCENTAGE(
       "UMA.ProtoCompressionRatio",
       static_cast<int>(100 * compressed_log_data.size() / log_data.size()));
 
   hash = base::SHA1HashString(log_data);
 }
@@ skipping 99 matching lines @@
         !ReadBase64String(list_value, i * 2 + 1, &list_[i].hash)) {
       list_.clear();
       return MakeRecallStatusHistogram(LOG_STRING_CORRUPTION);
     }
   }
 
   return MakeRecallStatusHistogram(RECALL_SUCCESS);
 }
 
 }  // namespace metrics