Sync 3rd party wallpaper app name

chrome/common/extensions/api/wallpaper_private.json

Index: chrome/common/extensions/api/wallpaper_private.json
diff --git a/chrome/common/extensions/api/wallpaper_private.json b/chrome/common/extensions/api/wallpaper_private.json
index 3df4f0c07b885b4baa63293a1d5fcfa0dfc44dea..aab5f84b9d982bbceb5d9fe70eca1b242e0407fe 100644
--- a/chrome/common/extensions/api/wallpaper_private.json
+++ b/chrome/common/extensions/api/wallpaper_private.json
@@ -137,6 +137,12 @@
             "name": "fileName"
           },
           {
+            "type": "string",
+            "name": "thirdPartyAppName",
+            "optional": true,
+            "description": "If non-empty, the wallpaper is a third-party wallpaper."
+          },
+          {
             "type": "function",
             "name": "callback",
             "parameters": [
@@ -275,6 +281,11 @@
           {
             "name": "layout",
             "$ref": "wallpaper.WallpaperLayout"
+          },
+          {
+            "type": "string",
+            "name": "appname",
+            "description": "The third party wallpaper app name."
           }
         ]
       }