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

content/common/media/media_param_traits.cc

Index: content/common/media/media_param_traits.cc
diff --git a/content/common/media/media_param_traits.cc b/content/common/media/media_param_traits.cc
index 19d94236161b606ddc8111b5a1cad42ae0dadd13..fa53c18a21245d1faec673f0a469d01ea237d658 100644
--- a/content/common/media/media_param_traits.cc
+++ b/content/common/media/media_param_traits.cc
@@ -20,6 +20,18 @@ using media::VideoCaptureFormat;
 
 namespace IPC {
 
+void ParamTraits<AudioParameters>::GetSize(base::PickleSizer* s,
+                                           const AudioParameters& p) {
+  GetParamSize(s, p.format());
+  GetParamSize(s, p.channel_layout());
+  GetParamSize(s, p.sample_rate());
+  GetParamSize(s, p.bits_per_sample());
+  GetParamSize(s, p.frames_per_buffer());
+  GetParamSize(s, p.channels());
+  GetParamSize(s, p.effects());
+  GetParamSize(s, p.mic_positions());
+}
+
 void ParamTraits<AudioParameters>::Write(base::Pickle* m,
                                          const AudioParameters& p) {
   WriteParam(m, p.format());
@@ -64,6 +76,14 @@ void ParamTraits<AudioParameters>::Log(const AudioParameters& p,
   l->append(base::StringPrintf("<AudioParameters>"));
 }
 
+void ParamTraits<VideoCaptureFormat>::GetSize(base::PickleSizer* s,
+                                              const VideoCaptureFormat& p) {
+  GetParamSize(s, p.frame_size);
+  GetParamSize(s, p.frame_rate);
+  GetParamSize(s, p.pixel_format);
+  GetParamSize(s, p.pixel_storage);
+}
+
 void ParamTraits<VideoCaptureFormat>::Write(base::Pickle* m,
                                             const VideoCaptureFormat& p) {
   WriteParam(m, p.frame_size);