Add IPC messages for ARC notification

components/arc/common/arc_host_messages.h

Index: components/arc/common/arc_host_messages.h
diff --git a/components/arc/common/arc_host_messages.h b/components/arc/common/arc_host_messages.h
index d4d72fe27c79c536259e795db5f6a4b69ae061cf..52f56117457231c3bc80f5bae544cb9d3bb15094 100644
--- a/components/arc/common/arc_host_messages.h
+++ b/components/arc/common/arc_host_messages.h
@@ -7,6 +7,38 @@
 
 #include "ipc/ipc_message_macros.h"
 
+// Using relative paths since this file is shared between chromium and android.
+#include "arc_notification_types.h"
+
 #define IPC_MESSAGE_START ArcInstanceHostMsgStart
 
+// Enum for notification type.
+IPC_ENUM_TRAITS_MAX_VALUE(arc::ArcNotificationType,
+                          arc::ArcNotificationType::NOTIFICATION_TYPE_LAST)
+
+// Struct for notification data.
+IPC_STRUCT_TRAITS_BEGIN(arc::ArcNotificationData)
+  IPC_STRUCT_TRAITS_MEMBER(key)
+  IPC_STRUCT_TRAITS_MEMBER(type)
+  IPC_STRUCT_TRAITS_MEMBER(message)
+  IPC_STRUCT_TRAITS_MEMBER(title)
+  IPC_STRUCT_TRAITS_MEMBER(icon_mimetype)
+  IPC_STRUCT_TRAITS_MEMBER(icon_data)
+  IPC_STRUCT_TRAITS_MEMBER(priority)
+  IPC_STRUCT_TRAITS_MEMBER(timestamp)
+  IPC_STRUCT_TRAITS_MEMBER(progress_current)
+  IPC_STRUCT_TRAITS_MEMBER(progress_max)
+IPC_STRUCT_TRAITS_END()
+
 IPC_MESSAGE_CONTROL0(ArcInstanceHostMsg_InstanceReady)
+
+// Notifies that a notification is posted (created or updated) on the container

[elijahtaylor1, 2015/11/27 05:42:49]

s/on the container side/from Android/

[yoshiki, 2015/11/27 10:48:06]

Done.

+// side with the updated notification data.
+// |notification_data| is the data of notification (id, texts, icon and ...).
+IPC_MESSAGE_CONTROL1(ArcInstanceHostMsg_NotificationPosted,
+                     arc::ArcNotificationData /* notification_data */);
+
+// Notifies that a notification is removed on the container side.

[elijahtaylor1, 2015/11/27 05:42:49]

same

[yoshiki, 2015/11/27 10:48:06]

Done.

+// |key| is the identifier of notification.
+IPC_MESSAGE_CONTROL1(ArcInstanceHostMsg_NotificationRemoved,
+                     std::string /* key */);