Send compositor frame IPC with metadata.

content/common/cc_messages.cc

Index: content/common/cc_messages.cc
diff --git a/content/common/cc_messages.cc b/content/common/cc_messages.cc
index 04d3af94def7b2723222d07a17c29e100eedafe6..b00a693d2850ffb4980ad4d5811e23bf3f339134 100644
--- a/content/common/cc_messages.cc
+++ b/content/common/cc_messages.cc
@@ -569,7 +569,9 @@ void ParamTraits<cc::Mailbox>::Log(const param_type& p, std::string* l) {
     *l += base::StringPrintf("%02x", p.name[i]);
 }
 
-void ParamTraits<cc::CompositorFrame>::Write(Message* m, const param_type& p) {
+void ParamTraits<cc::DelegatedCompositorFrame>::Write(Message* m,
+                                                      const param_type& p) {
+  WriteParam(m, static_cast<const cc::CompositorFrame&>(p));
   WriteParam(m, p.size);
   WriteParam(m, p.resource_list);
   WriteParam(m, p.render_pass_list.size());
@@ -577,11 +579,14 @@ void ParamTraits<cc::CompositorFrame>::Write(Message* m, const param_type& p) {
     WriteParam(m, *p.render_pass_list[i]);
 }
 
-bool ParamTraits<cc::CompositorFrame>::Read(const Message* m,
+bool ParamTraits<cc::DelegatedCompositorFrame>::Read(const Message* m,
                                             PickleIterator* iter,
                                             param_type* p) {
   const static size_t kMaxRenderPasses = 10000;
 
+  if (!ReadParam(m, iter, static_cast<cc::CompositorFrame*>(p)))

[piman, 2012/12/14 22:02:22]

Also fail if the read type is not DELEGATED.

[aelias_OOO_until_Jul13, 2012/12/15 00:06:17]

Done.

+    return false;
+
   size_t num_render_passes;
   if (!ReadParam(m, iter, &p->size) ||
       !ReadParam(m, iter, &p->resource_list) ||
@@ -597,9 +602,10 @@ bool ParamTraits<cc::CompositorFrame>::Read(const Message* m,
   return true;
 }
 
-void ParamTraits<cc::CompositorFrame>::Log(const param_type& p,
-                                           std::string* l) {
-  l->append("CompositorFrame(");
+void ParamTraits<cc::DelegatedCompositorFrame>::Log(const param_type& p,
+                                                    std::string* l) {
+  l->append("DelegatedCompositorFrame(");
+  LogParam(static_cast<const cc::CompositorFrame&>(p), l);
   LogParam(p.size, l);
   l->append(", ");
   LogParam(p.resource_list, l);