Add IPC messages for ARC notification

components/arc/common/arc_message_param_traits.cc

Index: components/arc/common/arc_message_param_traits.cc
diff --git a/components/arc/common/arc_message_param_traits.cc b/components/arc/common/arc_message_param_traits.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2d1cf878861e6b0ad963c7ea2d37861e393277d5
--- /dev/null
+++ b/components/arc/common/arc_message_param_traits.cc
@@ -0,0 +1,66 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Using relative paths since this file is shared between chromium and android.
+#include "arc_message_param_traits.h"
+
+namespace IPC {
+
+// static
+void ParamTraits<arc::ArcNotificationData>::Write(Message* m,
+                                                  const param_type& p) {
+  WriteParam(m, p.key);
+  WriteParam(m, p.message);
+  WriteParam(m, p.title);
+  WriteParam(m, p.icon_mimetype);
+  WriteParam(m, p.icon_data);
+  WriteParam(m, p.priority);
+}
+
+// static
+bool ParamTraits<arc::ArcNotificationData>::Read(const Message* m,
+                                                 base::PickleIterator* iter,
+                                                 param_type* r) {
+  std::string key;
+  std::string message;
+  std::string title;
+  std::string icon_mimetype;
+  std::vector<uint8_t> icon_data;
+  int priority;
+
+  if (!ReadParam(m, iter, &key) ||
+      !ReadParam(m, iter, &message) ||
+      !ReadParam(m, iter, &title) ||
+      !ReadParam(m, iter, &icon_mimetype) ||
+      !ReadParam(m, iter, &icon_data) ||
+      !ReadParam(m, iter, &priority)) {
+    return false;
+  }
+
+  r->key = key;
+
+  // TODO(yoshiki): Support other types.
+  r->type = arc::NOTIFICATION_TYPE_BASIC;
+
+  r->message = message;
+  r->title = title;
+  r->icon_mimetype = icon_mimetype;
+  r->icon_data.swap(icon_data);
+  r->priority = std::min(std::max(-2, priority), 2);
+
+  // TODO(yoshiki): Transfer following parameters from Android.
+  r->timestamp = base::Time::Now();
+  r->progress_current = 0;
+  r->progress_max = 0;
+
+  return true;
+}
+
+// static
+void ParamTraits<arc::ArcNotificationData>::Log(const param_type& p,
+                                                std::string* l) {
+  l->append(base::StringPrintf("<ArcNotificationData>"));
+}
+
+}  // namespace IPC