Kills TraceTicks, which was functionally the same as TimeTicks

base/trace_event/trace_event.h

Index: base/trace_event/trace_event.h
diff --git a/base/trace_event/trace_event.h b/base/trace_event/trace_event.h
index 37320ea736d0f7694945d0618a462ff23a9a25b5..95ea215939fe48a7617aa7bb93ad1e490f9b401d 100644
--- a/base/trace_event/trace_event.h
+++ b/base/trace_event/trace_event.h
@@ -154,7 +154,7 @@
 //                    unsigned long long id,
 //                    unsigned long long context_id,
 //                    int thread_id,
-//                    const TraceTicks& timestamp,
+//                    const TimeTicks& timestamp,
 //                    int num_args,
 //                    const char** arg_names,
 //                    const unsigned char* arg_types,
@@ -313,7 +313,7 @@ TRACE_EVENT_API_CLASS_EXPORT extern \
         trace_event_internal::AddTraceEventWithThreadIdAndTimestamp( \
             phase, INTERNAL_TRACE_EVENT_UID(category_group_enabled), \
             name, trace_event_trace_id.data(), trace_event_internal::kNoId, \
-            thread_id, base::TraceTicks::FromInternalValue(timestamp), \
+            thread_id, base::TimeTicks::FromInternalValue(timestamp), \
             trace_event_flags | TRACE_EVENT_FLAG_EXPLICIT_TIMESTAMP, \
             trace_event_internal::kNoId, ##__VA_ARGS__); \
       } \
@@ -517,13 +517,6 @@ static inline void SetTraceValue(const base::ThreadTicks arg,
   *value = arg.ToInternalValue();
 }
 
-static inline void SetTraceValue(const base::TraceTicks arg,
-                                 unsigned char* type,
-                                 unsigned long long* value) {
-  *type = TRACE_VALUE_TYPE_INT;
-  *value = arg.ToInternalValue();
-}
-
 // These AddTraceEvent and AddTraceEventWithThreadIdAndTimestamp template
 // functions are defined here instead of in the macro, because the arg_values
 // could be temporary objects, such as std::string. In order to store
@@ -538,7 +531,7 @@ AddTraceEventWithThreadIdAndTimestamp(
     unsigned long long id,
     unsigned long long context_id,
     int thread_id,
-    const base::TraceTicks& timestamp,
+    const base::TimeTicks& timestamp,
     unsigned int flags,
     unsigned long long bind_id,
     const char* arg1_name,
@@ -560,7 +553,7 @@ AddTraceEventWithThreadIdAndTimestamp(
     unsigned long long id,
     unsigned long long context_id,
     int thread_id,
-    const base::TraceTicks& timestamp,
+    const base::TimeTicks& timestamp,
     unsigned int flags,
     unsigned long long bind_id,
     const char* arg1_name,
@@ -595,7 +588,7 @@ AddTraceEventWithThreadIdAndTimestamp(
     unsigned long long id,
     unsigned long long context_id,
     int thread_id,
-    const base::TraceTicks& timestamp,
+    const base::TimeTicks& timestamp,
     unsigned int flags,
     unsigned long long bind_id,
     const char* arg1_name,
@@ -629,7 +622,7 @@ AddTraceEventWithThreadIdAndTimestamp(
     unsigned long long id,
     unsigned long long context_id,
     int thread_id,
-    const base::TraceTicks& timestamp,
+    const base::TimeTicks& timestamp,
     unsigned int flags,
     unsigned long long bind_id,
     const char* arg1_name,
@@ -658,7 +651,7 @@ AddTraceEventWithThreadIdAndTimestamp(
     unsigned long long id,
     unsigned long long context_id,
     int thread_id,
-    const base::TraceTicks& timestamp,
+    const base::TimeTicks& timestamp,
     unsigned int flags,
     unsigned long long bind_id) {
   return TRACE_EVENT_API_ADD_TRACE_EVENT_WITH_THREAD_ID_AND_TIMESTAMP(
@@ -674,7 +667,7 @@ static inline base::trace_event::TraceEventHandle AddTraceEvent(
     unsigned int flags,
     unsigned long long bind_id) {
   const int thread_id = static_cast<int>(base::PlatformThread::CurrentId());
-  const base::TraceTicks now = base::TraceTicks::Now();
+  const base::TimeTicks now = base::TimeTicks::Now();
   return AddTraceEventWithThreadIdAndTimestamp(phase, category_group_enabled,
                                                name, id, kNoId, thread_id, now,
                                                flags, bind_id);
@@ -689,7 +682,7 @@ AddTraceEventWithThreadIdAndTimestamp(
     unsigned long long id,
     unsigned long long context_id,
     int thread_id,
-    const base::TraceTicks& timestamp,
+    const base::TimeTicks& timestamp,
     unsigned int flags,
     unsigned long long bind_id,
     const char* arg1_name,
@@ -714,7 +707,7 @@ static inline base::trace_event::TraceEventHandle AddTraceEvent(
     const char* arg1_name,
     const ARG1_TYPE& arg1_val) {
   int thread_id = static_cast<int>(base::PlatformThread::CurrentId());
-  base::TraceTicks now = base::TraceTicks::Now();
+  base::TimeTicks now = base::TimeTicks::Now();
   return AddTraceEventWithThreadIdAndTimestamp(phase, category_group_enabled,
                                                name, id, kNoId, thread_id, now,
                                                flags, bind_id,
@@ -730,7 +723,7 @@ AddTraceEventWithThreadIdAndTimestamp(
     unsigned long long id,
     unsigned long long context_id,
     int thread_id,
-    const base::TraceTicks& timestamp,
+    const base::TimeTicks& timestamp,
     unsigned int flags,
     unsigned long long bind_id,
     const char* arg1_name,
@@ -761,7 +754,7 @@ static inline base::trace_event::TraceEventHandle AddTraceEvent(
     const char* arg2_name,
     const ARG2_TYPE& arg2_val) {
   int thread_id = static_cast<int>(base::PlatformThread::CurrentId());
-  base::TraceTicks now = base::TraceTicks::Now();
+  base::TimeTicks now = base::TimeTicks::Now();
   return AddTraceEventWithThreadIdAndTimestamp(phase, category_group_enabled,
                                                name, id, kNoId, thread_id, now,
                                                flags, bind_id,