Move histogram_manager from components/metrics to components/cronet

components/cronet/histogram_manager_unittest.cc

Index: components/cronet/histogram_manager_unittest.cc
diff --git a/components/metrics/histogram_manager_unittest.cc b/components/cronet/histogram_manager_unittest.cc
similarity index 89%
rename from components/metrics/histogram_manager_unittest.cc
rename to components/cronet/histogram_manager_unittest.cc
index 5e5f99261b9dbcbcfc8d6cd660d8de3909fb78c4..3a03ecbb6e8663851eeee94b8498f0f6e3d8cda8 100644
--- a/components/metrics/histogram_manager_unittest.cc
+++ b/components/cronet/histogram_manager_unittest.cc
@@ -2,19 +2,19 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/metrics/histogram_manager.h"
+#include "components/cronet/histogram_manager.h"
 
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/metrics/statistics_recorder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace metrics {
 
-// TODO(mef): crbug.com/441441. Move components/metrics/histogram_manager.*
-// files into components/android/cronet.
 // TODO(rtenneti): enable flaky HistogramBucketFields unit test.
-TEST(HistogramManager, DISABLED_HistogramBucketFields) {
+TEST(HistogramManager, HistogramBucketFields) {
+  base::StatisticsRecorder::Initialize();

[mef, 2015/04/08 19:51:28]

I've added StatisticsRecorder::Initialize() and re-enabled the test.
It works on my machine. :)

   // Capture histograms at the start of the test to avoid later GetDeltas()
   // calls picking them up.
   std::vector<uint8> data_init;