Fix translate namespace

components/translate/core/common/translate_metrics_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/translate/core/common/translate_metrics.h"
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/histogram_samples.h"
 #include "base/metrics/statistics_recorder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 using base::HistogramBase;
 using base::HistogramSamples;
 using base::SampleCountIterator;
 using base::StatisticsRecorder;
 using base::TimeTicks;
 
+namespace translate {
+
 namespace {
 
 const int kTrue = 1;
 const int kFalse = 0;
 
 class MetricsRecorder {
  public:
   explicit MetricsRecorder(const char* key) : key_(key) {
     StatisticsRecorder::Initialize();
 
@@ skipping 244 matching lines @@
 TEST(TranslateMetricsTest, ReportLanguageDetectionTime) {
   MetricsRecorder recorder(
       translate::GetMetricsName(translate::UMA_LANGUAGE_DETECTION));
   recorder.CheckTotalCount(0);
   TimeTicks begin = TimeTicks::Now();
   TimeTicks end = begin + base::TimeDelta::FromMicroseconds(9009);
   translate::ReportLanguageDetectionTime(begin, end);
   recorder.CheckValueInLogs(9.009);
   recorder.CheckTotalCount(1);
 }
+
+}  // namespace translate