HTML MessagePort as mojo::MessagePipeHandle

content/public/common/common_param_traits.cc

Index: content/public/common/common_param_traits.cc
diff --git a/content/public/common/common_param_traits.cc b/content/public/common/common_param_traits.cc
index 3fcfdda02de585798129621632ded831b39508b0..ce87211082f68cd589f3547e5f7fc27953663957 100644
--- a/content/public/common/common_param_traits.cc
+++ b/content/public/common/common_param_traits.cc
@@ -7,8 +7,10 @@
 #include <string>
 
 #include "content/public/common/content_constants.h"
+#include "content/public/common/message_port.h"
 #include "content/public/common/page_state.h"
 #include "content/public/common/referrer.h"
+#include "ipc/ipc_mojo_param_traits.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/ip_address.h"
 #include "net/base/ip_endpoint.h"
@@ -146,6 +148,31 @@ void ParamTraits<net::IPAddress>::Log(const param_type& p, std::string* l) {
     LogParam("IPAddress:" + (p.empty() ? "(empty)" : p.ToString()), l);
 }
 
+void ParamTraits<content::MessagePort>::GetSize(base::PickleSizer* s,
+                                                         const param_type& p) {

[jam, 2017/01/23 18:08:56]

nit: indentation here, 157, 173

+  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) {
+}
+
 void ParamTraits<content::PageState>::GetSize(base::PickleSizer* s,
                                               const param_type& p) {
   GetParamSize(s, p.ToEncodedData());