Video Player: Stop using Cast API shared module.

ui/file_manager/video_player/manifest.json

 {
   // chrome-extension://jcgeabjmjgoblfofpppfkcoakmfobdko/
   "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw0/gRbJc545iEGRZs20Rl/HtrSUp8H3gJd4Y6hCe0CG1xQiJhZ5nc8qZyxa96gMxRAKBq54S6sjVVtV6uS70oU6FvrvwItByYkkqr4ZE7eMJKwMqnGItxWbh6KBodf89lpKoIy6MtYTqubBhXB/IQBZsXah90tXwRzaaJNWw+2BBRIhcPsH3ng+wgN7rwFxo4HIv9ZpqkYlx90rwkfjOmKPPnSXyXFIBJfmqfdbd8PLtcxzzOTE+vxwoXZuYWrthKm4uKfNqXIYns74sSJlqyKfctuR+nQdNh8uePv0e+/Ul3wER1/jIXULLjfyoaklyDs+ak3SDf+xWScJ+0LJ0AwIDAQAB",
   "manifest_version": 2,
   "name": "Video Player",
   "version": "1.0",
   "description": "Video Player",
   "display_in_launcher": false,
   "incognito" : "split",
   "icons": {
@@ skipping 10 matching lines @@
     "fileSystem",
     "fileManagerPrivate",
     {
       "fileSystem": ["requestFileSystem", "write"]
     },
     "fullscreen",
     "mediaPlayerPrivate",
     "metricsPrivate",
     "power",
     "storage",
-    "webstoreWidgetPrivate",
     "chrome://resources/",
     "chrome://theme/"
   ],
   "file_handlers": {
     "video": {
       "types": [
         "video/*"
       ],
       "extensions": [
         "3gp",
         "avi",
         "m4v",
         "mkv",
         "mov",
         "mp4",
         "mpeg",
         "mpeg4",
         "mpg",
         "mpg4",
         "ogm",
         "ogv",
         "ogx",
         "webm"
       ]
     }
   },
-  "import": [
-    // Google Cast API extension
-    {
-      "id": "mafeflapfdfljijmlienjedomfjfmhpd",
-      "minimum_version":  "14.507.0.31276"
-    }
-  ],
   "app": {
     "background": {
       "scripts": [
         "chrome://resources/js/analytics.js",
         "chrome://resources/js/cr.js",
         "chrome://resources/js/cr/event_target.js",
         "chrome://resources/js/cr/ui/array_data_model.js",
         "chrome://resources/js/load_time_data.js",
         "chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/common/js/util.js",
         "chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj/common/js/async_util.js",
@@ skipping 14 matching lines @@
     },
     // The following ids are cast extension's ids .
     // - boadgeojelhgndaghljhdicfkmllpafd (release)
     // - dliochdbjfkdbacpmhlcpmleaejidimm (beta)
     // - hfaagokkkhdbgiakmmlclaapfelnkoah
     // - fmfcbgogabcbclcofgocippekhfcmgfj
     // - enhhojjnijigcajfphajepfemndkmdlo
     "content_security_policy": "default-src 'none'; script-src 'self' blob: filesystem: chrome://resources chrome-extension://boadgeojelhgndaghljhdicfkmllpafd chrome-extension://dliochdbjfkdbacpmhlcpmleaejidimm chrome-extension://hhaomjibdihmijegdhdafkllkbggdgoj chrome-extension://fmfcbgogabcbclcofgocippekhfcmgfj chrome-extension://enhhojjnijigcajfphajepfemndkmdlo; style-src 'self' blob: filesystem: chrome://resources 'unsafe-inline'; img-src 'self' blob: filesystem: chrome://theme chrome://resources data: https://www.googledrive.com; media-src 'self' blob: filesystem:; object-src 'self' blob: filesystem:; font-src chrome://resources;"
   }
 }