PPAPI/NaCl: Make NaClIPCAdapter transfer handles more generally

ppapi/proxy/ppapi_param_traits.cc

Index: ppapi/proxy/ppapi_param_traits.cc
diff --git a/ppapi/proxy/ppapi_param_traits.cc b/ppapi/proxy/ppapi_param_traits.cc
index 87ce4fc1ee7fcc01a824c0e09e79689144944f76..ddfaec3a9f40e7ac3eae95c4e8a9f590c5d17fbc 100644
--- a/ppapi/proxy/ppapi_param_traits.cc
+++ b/ppapi/proxy/ppapi_param_traits.cc
@@ -312,7 +312,65 @@ void ParamTraits< std::vector<ppapi::PPB_FileRef_CreateInfo> >::Log(
     std::string* l) {
 }
 
-#if !defined(OS_NACL)
+// SerializedHandle ------------------------------------------------------------
+
+// static
+void ParamTraits<ppapi::proxy::SerializedHandle>::Write(Message* m,
+                                                        const param_type& p) {
+  m->WriteInt(p.type());
+  switch (p.type()) {
+    case ppapi::proxy::SerializedHandle::SHARED_MEMORY:
+      ParamTraits<base::SharedMemoryHandle>::Write(m, p.shmem());
+      ParamTraits<uint32_t>::Write(m, p.size());
+      break;
+    case ppapi::proxy::SerializedHandle::SOCKET:
+      ParamTraits<IPC::PlatformFileForTransit>::Write(m, p.descriptor());
+      break;
+    case ppapi::proxy::SerializedHandle::INVALID:
+      break;
+    // no default so the compiler will warn on new types.
+  }
+}
+
+// static
+bool ParamTraits<ppapi::proxy::SerializedHandle>::Read(const Message* m,
+                                                       PickleIterator* iter,
+                                                       param_type* r) {
+  int type;
+  if (!m->ReadInt(iter, &type))
+    return false;
+  bool success = false;
+  switch (type) {
+    case ppapi::proxy::SerializedHandle::SHARED_MEMORY: {
+      base::SharedMemoryHandle handle;
+      uint32_t size;
+      success = ParamTraits<base::SharedMemoryHandle>::Read(m, iter, &handle) &&
+                ParamTraits<uint32_t>::Read(m, iter, &size);
+      if (success)
+        r->set_shmem(handle, size);
+      break;
+    }
+    case ppapi::proxy::SerializedHandle::SOCKET: {
+      IPC::PlatformFileForTransit socket;
+      success = ParamTraits<IPC::PlatformFileForTransit>::Read(m, iter,
+                                                               &socket);
+      if (success)
+        r->set_socket(socket);
+      break;
+    }
+    case ppapi::proxy::SerializedHandle::INVALID:
+      break;
+    // No default so the compiler will warn us if a new type is added.
+  }
+  return success;
+}
+
+// static
+void ParamTraits<ppapi::proxy::SerializedHandle>::Log(const param_type& p,
+                                                      std::string* l) {
+}
+
+#if !defined(OS_NACL) && !defined(NACL_WIN64)
 // PPBFlash_DrawGlyphs_Params --------------------------------------------------
 // static
 void ParamTraits<ppapi::proxy::PPBFlash_DrawGlyphs_Params>::Write(
@@ -507,6 +565,6 @@ bool ParamTraits<ppapi::PPB_X509Certificate_Fields>::Read(const Message* m,
 void ParamTraits<ppapi::PPB_X509Certificate_Fields>::Log(const param_type& p,
                                                          std::string* l) {
 }
-#endif  // !defined(OS_NACL)
+#endif  // !defined(OS_NACL) && !defined(NACL_WIN64)
 
 }  // namespace IPC