Implement PushManager#hasPermission

content/common/push_messaging_messages.h

Index: content/common/push_messaging_messages.h
diff --git a/content/common/push_messaging_messages.h b/content/common/push_messaging_messages.h
index cd5e93edb7b8531764e060fd7c70f7f187127089..f11ca97030291ee0dab7698a7cee037889471ff1 100644
--- a/content/common/push_messaging_messages.h
+++ b/content/common/push_messaging_messages.h
@@ -7,6 +7,7 @@
 
 #include "content/public/common/push_messaging_status.h"
 #include "ipc/ipc_message_macros.h"
+#include "third_party/WebKit/public/platform/WebPushPermissionCallback.h"
 #include "url/gurl.h"
 
 #define IPC_MESSAGE_START PushMessagingMsgStart
@@ -14,6 +15,10 @@
 IPC_ENUM_TRAITS_MAX_VALUE(content::PushMessagingStatus,
                           content::PUSH_MESSAGING_STATUS_LAST)
 
+IPC_ENUM_TRAITS_MAX_VALUE(
+    blink::WebPushPermissionCallback::PushPermissionStatus,
+    blink::WebPushPermissionCallback::PushPermissionStatus::
+    PushPermissionTypeLast)
 // Messages sent from the browser to the renderer.
 
 IPC_MESSAGE_ROUTED3(PushMessagingMsg_RegisterSuccess,
@@ -25,6 +30,11 @@ IPC_MESSAGE_ROUTED2(PushMessagingMsg_RegisterError,
                     int32 /* callbacks_id */,
                     content::PushMessagingStatus /* status */)
 
+IPC_MESSAGE_ROUTED2(
+    PushMessagingMsg_PermissionStatusResult,
+    int32 /* callback_id */,
+    blink::WebPushPermissionCallback::PushPermissionStatus /* status */)
+
 // Messages sent from the renderer to the browser.
 
 IPC_MESSAGE_CONTROL5(PushMessagingHostMsg_Register,
@@ -33,3 +43,8 @@ IPC_MESSAGE_CONTROL5(PushMessagingHostMsg_Register,
                      std::string /* sender_id */,
                      bool /* user_gesture */,
                      int32 /* service_worker_provider_id */)
+
+IPC_MESSAGE_CONTROL3(PushMessagingHostMsg_PermissionStatus,
+                     int32 /* render_frame_id */,
+                     int32 /* service_worker_provider_id */,
+                     int32 /* permission_callback_id */)