Move //components/metrics/compression_utils into standalone component

components/metrics/metrics_service_unittest.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/metrics_service.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/prefs/testing_pref_service.h"
 #include "base/threading/platform_thread.h"
+#include "components/compression/compression_utils.h"
 #include "components/metrics/client_info.h"
-#include "components/metrics/compression_utils.h"
 #include "components/metrics/metrics_hashes.h"
 #include "components/metrics/metrics_log.h"
 #include "components/metrics/metrics_pref_names.h"
 #include "components/metrics/metrics_state_manager.h"
 #include "components/metrics/test_metrics_provider.h"
 #include "components/metrics/test_metrics_service_client.h"
 #include "components/variations/metrics_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace metrics {
@@ skipping 195 matching lines @@
   // The test provider should have been called upon to provide initial
   // stability and regular stability metrics.
   EXPECT_TRUE(test_provider->provide_initial_stability_metrics_called());
   EXPECT_TRUE(test_provider->provide_stability_metrics_called());
 
   // Stage the log and retrieve it.
   log_manager->StageNextLogForUpload();
   EXPECT_TRUE(log_manager->has_staged_log());
 
   std::string uncompressed_log;
-  EXPECT_TRUE(GzipUncompress(log_manager->staged_log(), &uncompressed_log));
+  EXPECT_TRUE(compression::GzipUncompress(log_manager->staged_log(),
+                                          &uncompressed_log));
 
   ChromeUserMetricsExtension uma_log;
   EXPECT_TRUE(uma_log.ParseFromString(uncompressed_log));
 
   EXPECT_TRUE(uma_log.has_client_id());
   EXPECT_TRUE(uma_log.has_session_id());
   EXPECT_TRUE(uma_log.has_system_profile());
   EXPECT_EQ(0, uma_log.user_action_event_size());
   EXPECT_EQ(0, uma_log.omnibox_event_size());
   EXPECT_EQ(0, uma_log.profiler_event_size());
@@ skipping 41 matching lines @@
   // The test provider should have been called upon to provide initial
   // stability and regular stability metrics.
   EXPECT_TRUE(test_provider->provide_initial_stability_metrics_called());
   EXPECT_TRUE(test_provider->provide_stability_metrics_called());
 
   // Stage the log and retrieve it.
   log_manager->StageNextLogForUpload();
   EXPECT_TRUE(log_manager->has_staged_log());
 
   std::string uncompressed_log;
-  EXPECT_TRUE(GzipUncompress(log_manager->staged_log(), &uncompressed_log));
+  EXPECT_TRUE(compression::GzipUncompress(log_manager->staged_log(),
+                                          &uncompressed_log));
 
   ChromeUserMetricsExtension uma_log;
   EXPECT_TRUE(uma_log.ParseFromString(uncompressed_log));
 
   EXPECT_TRUE(uma_log.has_client_id());
   EXPECT_TRUE(uma_log.has_session_id());
   EXPECT_TRUE(uma_log.has_system_profile());
   EXPECT_EQ(0, uma_log.user_action_event_size());
   EXPECT_EQ(0, uma_log.omnibox_event_size());
   EXPECT_EQ(0, uma_log.profiler_event_size());
@@ skipping 75 matching lines @@
   TestMetricsProvider* test_provider = new TestMetricsProvider();
   service.RegisterMetricsProvider(scoped_ptr<MetricsProvider>(test_provider));
 
   service.InitializeMetricsRecordingState();
   service.Stop();
 
   EXPECT_TRUE(test_provider->on_recording_disabled_called());
 }
 
 }  // namespace metrics