HTML MessagePort as mojo::MessagePipeHandle

content/common/content_param_traits.cc

Index: content/common/content_param_traits.cc
diff --git a/content/common/content_param_traits.cc b/content/common/content_param_traits.cc
index d38e9310fed42b5a1c7c59e42c2048b16ce480ba..2960f78727f01daa5f6b4bc895018e08b40fc121 100644
--- a/content/common/content_param_traits.cc
+++ b/content/common/content_param_traits.cc
@@ -7,6 +7,8 @@
 #include <stddef.h>
 
 #include "base/strings/string_number_conversions.h"
+#include "content/common/message_port.h"
+#include "ipc/ipc_mojo_param_traits.h"
 #include "net/base/ip_endpoint.h"
 #include "ui/events/blink/web_input_event_traits.h"
 
@@ -62,6 +64,31 @@ void ParamTraits<WebInputEventPointer>::Log(const param_type& p,
   l->append(")");
 }
 
+void ParamTraits<content::MessagePort>::GetSize(base::PickleSizer* s,
+                                                const param_type& p) {
+  ParamTraits<mojo::MessagePipeHandle>::GetSize(s, p.GetHandle().get());
+}
+
+void ParamTraits<content::MessagePort>::Write(base::Pickle* m,
+                                              const param_type& p) {
+  ParamTraits<mojo::MessagePipeHandle>::Write(m, p.ReleaseHandle().release());
+}
+
+bool ParamTraits<content::MessagePort>::Read(
+    const base::Pickle* m,
+    base::PickleIterator* iter,
+    param_type* r) {
+  mojo::MessagePipeHandle handle;
+  if (!ParamTraits<mojo::MessagePipeHandle>::Read(m, iter, &handle))
+    return false;
+  *r = content::MessagePort(mojo::ScopedMessagePipeHandle(handle));
+  return true;
+}
+
+void ParamTraits<content::MessagePort>::Log(const param_type& p,
+                                            std::string* l) {
+}
+
 }  // namespace IPC
 
 // Generate param traits size methods.