Kills TraceTicks, which was functionally the same as TimeTicks

This was not true until last week's submission of
http://crrev.com/1374753004.

BUG=541692
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
NO_PRESUBMIT=true

Review URL: https://codereview.chromium.org/1424703003

Cr-Commit-Position: refs/heads/master@{#358047}

2 files changed, 0 insertions, 30 deletions

diff --git a/ipc/ipc_message_utils.cc b/ipc/ipc_message_utils.cc
index 26edc12..8377712 100644
--- a/ipc/ipc_message_utils.cc
+++ b/ipc/ipc_message_utils.cc
@@ -865,25 +865,6 @@ void ParamTraits<base::TimeTicks>::Log(const param_type& p, std::string* l) {
   ParamTraits<int64_t>::Log(p.ToInternalValue(), l);
 }
 
-void ParamTraits<base::TraceTicks>::Write(Message* m, const param_type& p) {
-  ParamTraits<int64_t>::Write(m, p.ToInternalValue());
-}
-
-bool ParamTraits<base::TraceTicks>::Read(const Message* m,
-                                         base::PickleIterator* iter,
-                                         param_type* r) {
-  int64_t value;
-  bool ret = ParamTraits<int64_t>::Read(m, iter, &value);
-  if (ret)
-    *r = base::TraceTicks::FromInternalValue(value);
-
-  return ret;
-}
-
-void ParamTraits<base::TraceTicks>::Log(const param_type& p, std::string* l) {
-  ParamTraits<int64_t>::Log(p.ToInternalValue(), l);
-}
-
 void ParamTraits<IPC::ChannelHandle>::Write(Message* m, const param_type& p) {
 #if defined(OS_WIN)
   // On Windows marshalling pipe handle is not supported.
diff --git a/ipc/ipc_message_utils.h b/ipc/ipc_message_utils.h
index 1e2832f..817d752 100644
--- a/ipc/ipc_message_utils.h
+++ b/ipc/ipc_message_utils.h
@@ -59,7 +59,6 @@ class NullableString16;
 class Time;
 class TimeDelta;
 class TimeTicks;
-class TraceTicks;
 struct FileDescriptor;
 
 #if (defined(OS_MACOSX) && !defined(OS_IOS)) || defined(OS_WIN)
@@ -585,16 +584,6 @@ struct IPC_EXPORT ParamTraits<base::TimeTicks> {
 };
 
 template <>
-struct IPC_EXPORT ParamTraits<base::TraceTicks> {
-  typedef base::TraceTicks param_type;
-  static void Write(Message* m, const param_type& p);
-  static bool Read(const Message* m,
-                   base::PickleIterator* iter,
-                   param_type* r);
-  static void Log(const param_type& p, std::string* l);
-};
-
-template <>
 struct ParamTraits<base::Tuple<>> {
   typedef base::Tuple<> param_type;
   static void Write(Message* m, const param_type& p) {