Support JellyBean MR2 style of systrace

content/common/android/trace_event_binding.cc

Index: content/common/android/trace_event_binding.cc
diff --git a/content/common/android/trace_event_binding.cc b/content/common/android/trace_event_binding.cc
index 6dd3847cdac99df42a37d1b7727c5dba88355f72..04607ed20318e648789da8e7b09e703e77f47803 100644
--- a/content/common/android/trace_event_binding.cc
+++ b/content/common/android/trace_event_binding.cc
@@ -76,8 +76,12 @@ static jboolean TraceEnabled(JNIEnv* env, jclass clazz) {
   return base::debug::TraceLog::GetInstance()->IsEnabled();
 }
 
-static void InitATrace(JNIEnv* env, jclass clazz) {
-  base::debug::TraceLog::InitATrace();
+static void StartATrace(JNIEnv* env, jclass clazz) {
+  base::debug::TraceLog::GetInstance()->StartATrace();
+}
+
+static void StopATrace(JNIEnv* env, jclass clazz) {
+  base::debug::TraceLog::GetInstance()->StopATrace();
 }
 
 static void Instant(JNIEnv* env, jclass clazz,