Add a Java API for UMA histograms.

base/android/record_histogram.h

Index: base/android/record_histogram.h
diff --git a/base/android/field_trial_list.h b/base/android/record_histogram.h
similarity index 61%
copy from base/android/field_trial_list.h
copy to base/android/record_histogram.h
index b4eaf91488edace72464a81dbfcaa22aa67421f4..caa10f06c42ea74b85a9ae84ec9d87c9a0d8d571 100644
--- a/base/android/field_trial_list.h
+++ b/base/android/record_histogram.h
@@ -2,17 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef BASE_ANDROID_FIELD_TRIAL_LIST_H_
-#define BASE_ANDROID_FIELD_TRIAL_LIST_H_
+#ifndef BASE_ANDROID_RECORD_HISTOGRAM_H_
+#define BASE_ANDROID_RECORD_HISTOGRAM_H_
 
 #include <jni.h>
 
 namespace base {
 namespace android {
 
-bool RegisterFieldTrialList(JNIEnv* env);
+bool RegisterRecordHistogram(JNIEnv* env);
 
 }  // namespace android
 }  // namespace base
 
-#endif  // BASE_ANDROID_FIELD_TRIAL_LIST_H_
+#endif  // BASE_ANDROID_RECORD_HISTOGRAM_H_