Making BeginFrameArgs work with TRACE_EVENT system.

cc/debug/traced_value.h

Index: cc/debug/traced_value.h
diff --git a/cc/debug/traced_value.h b/cc/debug/traced_value.h
index e96c09a58963eb69cbcff4c51d6df61fe572c4c1..c70e919f68f3aebe5ed6d089f6b651a1df460f61 100644
--- a/cc/debug/traced_value.h
+++ b/cc/debug/traced_value.h
@@ -46,6 +46,17 @@ class TracedValue : public base::debug::ConvertableToTraceFormat {
   DISALLOW_COPY_AND_ASSIGN(TracedValue);
 };
 
+template <class T>
+static scoped_refptr<base::debug::ConvertableToTraceFormat> ToTrace(T* t) {

[brianderson, 2014/05/08 21:25:49]

Nice!

+  return TracedValue::FromValue(t->StateAsValue().release());
+}
+
+template <class T>
+static scoped_refptr<base::debug::ConvertableToTraceFormat> ToTrace(
+    const T& t) {
+  return ToTrace(&t);
+}
+
 }  // namespace cc
 
 #endif  // CC_DEBUG_TRACED_VALUE_H_