Generate param traits size methods for IPC files in chrome/ (and traits it depends on).

chrome/common/cast_messages.cc

Index: chrome/common/cast_messages.cc
diff --git a/chrome/common/cast_messages.cc b/chrome/common/cast_messages.cc
index d1629f808cd09c94a607edb603b0dcd95f6b5526..5b388624ea7ab816d2f0320ff59faa7254b793d6 100644
--- a/chrome/common/cast_messages.cc
+++ b/chrome/common/cast_messages.cc
@@ -6,6 +6,11 @@
 
 namespace IPC {
 
+void ParamTraits<media::cast::RtpTimeTicks>::GetSize(base::PickleSizer* s,
+                                                     const param_type& p) {
+  ParamTraits<uint64_t>::GetSize(s, p.SerializeForIPC());

[dcheng, 2016/05/13 03:23:10]

Nit: does GetParamSize() work here?

+}
+
 void ParamTraits<media::cast::RtpTimeTicks>::Write(base::Pickle* m,
                                                    const param_type& p) {
   ParamTraits<uint64_t>::Write(m, p.SerializeForIPC());
@@ -29,6 +34,11 @@ void ParamTraits<media::cast::RtpTimeTicks>::Log(const param_type& p,
   l->append(oss.str());
 }
 
+void ParamTraits<media::cast::FrameId>::GetSize(base::PickleSizer* s,
+                                                const param_type& p) {
+  ParamTraits<uint64_t>::GetSize(s, p.SerializeForIPC());
+}
+
 void ParamTraits<media::cast::FrameId>::Write(base::Pickle* m,
                                               const param_type& p) {
   ParamTraits<uint64_t>::Write(m, p.SerializeForIPC());