Kills TraceTicks, which was functionally the same as TimeTicks

base/trace_event/trace_event_android.cc

Index: base/trace_event/trace_event_android.cc
diff --git a/base/trace_event/trace_event_android.cc b/base/trace_event/trace_event_android.cc
index c97b902a7987c5c4f6be5fd12654c1a6cb5269d8..4e578a5595116d128851d364275de7b31f19a8e0 100644
--- a/base/trace_event/trace_event_android.cc
+++ b/base/trace_event/trace_event_android.cc
@@ -201,7 +201,7 @@ void TraceLog::AddClockSyncMetadataEvent() {
   // debugfs that takes the written data and pushes it onto the trace
   // buffer. So, to establish clock sync, we write our monotonic clock into that
   // trace buffer.
-  double now_in_seconds = (TraceTicks::Now() - TraceTicks()).InSecondsF();
+  double now_in_seconds = (TimeTicks::Now() - TimeTicks()).InSecondsF();
   std::string marker = StringPrintf(
       "trace_event_clock_sync: parent_ts=%f\n", now_in_seconds);
   WriteToATrace(atrace_fd, marker.c_str(), marker.size());