Add metrics to measure time elapsed between form load and form submission with or without Autofill.

BUG=none
TEST=unit_tests --gtest_filter=AutofillMetricsTest.*

Review URL: http://codereview.chromium.org/7740070

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@99447 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 31 insertions, 3 deletions

diff --git a/ipc/ipc_message_utils.cc b/ipc/ipc_message_utils.cc
index 6ef03f4..dcbde0b 100644
--- a/ipc/ipc_message_utils.cc
+++ b/ipc/ipc_message_utils.cc
@@ -269,7 +269,7 @@ void ParamTraits<base::Time>::Log(const param_type& p, std::string* l) {
 }
 
 void ParamTraits<base::TimeDelta> ::Write(Message* m, const param_type& p) {
-  ParamTraits<int64> ::Write(m, p.InMicroseconds());
+  ParamTraits<int64> ::Write(m, p.ToInternalValue());
 }
 
 bool ParamTraits<base::TimeDelta> ::Read(const Message* m,
@@ -278,13 +278,32 @@ bool ParamTraits<base::TimeDelta> ::Read(const Message* m,
   int64 value;
   bool ret = ParamTraits<int64> ::Read(m, iter, &value);
   if (ret)
-    *r = base::TimeDelta::FromMicroseconds(value);
+    *r = base::TimeDelta::FromInternalValue(value);
 
   return ret;
 }
 
 void ParamTraits<base::TimeDelta> ::Log(const param_type& p, std::string* l) {
-  ParamTraits<int64> ::Log(p.InMicroseconds(), l);
+  ParamTraits<int64> ::Log(p.ToInternalValue(), l);
+}
+
+void ParamTraits<base::TimeTicks> ::Write(Message* m, const param_type& p) {
+  ParamTraits<int64> ::Write(m, p.ToInternalValue());
+}
+
+bool ParamTraits<base::TimeTicks> ::Read(const Message* m,
+                                         void** iter,
+                                         param_type* r) {
+  int64 value;
+  bool ret = ParamTraits<int64> ::Read(m, iter, &value);
+  if (ret)
+    *r = base::TimeTicks::FromInternalValue(value);
+
+  return ret;
+}
+
+void ParamTraits<base::TimeTicks> ::Log(const param_type& p, std::string* l) {
+  ParamTraits<int64> ::Log(p.ToInternalValue(), l);
 }
 
 void ParamTraits<DictionaryValue>::Write(Message* m, const param_type& p) {
diff --git a/ipc/ipc_message_utils.h b/ipc/ipc_message_utils.h
index e7bbe34..7c46f90 100644
--- a/ipc/ipc_message_utils.h
+++ b/ipc/ipc_message_utils.h
@@ -105,6 +105,7 @@ class DictionaryValue;
 class ListValue;
 class Time;
 class TimeDelta;
+class TimeTicks;
 struct FileDescriptor;
 }
 
@@ -332,6 +333,14 @@ struct IPC_EXPORT ParamTraits<base::TimeDelta> {
   static void Log(const param_type& p, std::string* l);
 };
 
+template <>
+struct IPC_EXPORT ParamTraits<base::TimeTicks> {
+  typedef base::TimeTicks param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, void** iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
 #if defined(OS_WIN)
 template <>
 struct ParamTraits<LOGFONT> {