[Cronet] Initialize StatisticsRecorder early

components/cronet/android/cronet_url_request_context_adapter.cc

Index: components/cronet/android/cronet_url_request_context_adapter.cc
diff --git a/components/cronet/android/cronet_url_request_context_adapter.cc b/components/cronet/android/cronet_url_request_context_adapter.cc
index 2a607bfb6c38a7a082717880a71e1dfbd558e0a9..f33ecebf7065504249a7b0239bcd92a39cd37f6c 100644
--- a/components/cronet/android/cronet_url_request_context_adapter.cc
+++ b/components/cronet/android/cronet_url_request_context_adapter.cc
@@ -30,7 +30,6 @@
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram_macros.h"
-#include "base/metrics/statistics_recorder.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
@@ -1207,7 +1206,6 @@ static jint SetMinLogLevel(JNIEnv* env,
 static ScopedJavaLocalRef<jbyteArray> GetHistogramDeltas(
     JNIEnv* env,
     const JavaParamRef<jclass>& jcaller) {
-  base::StatisticsRecorder::Initialize();
   std::vector<uint8_t> data;

[pauljensen, 2017/04/04 19:11:12]

Perhaps add DCHECK(base::StatisticsRecorder::IsActive());

[xunjieli, 2017/04/04 19:39:57]

Done.

   if (!HistogramManager::GetInstance()->GetDeltas(&data))
     return ScopedJavaLocalRef<jbyteArray>();