Remove "unlimitedStorage" permission in webview file system permission tests.

Update permission in tests.

BUG=343382

Review URL: https://codereview.chromium.org/334283003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@277731 0039d316-1c4b-4281-b951-d872f2087c98

chrome/test/data/extensions/platform_apps/web_view/filesystem/main/manifest.json

@@ -3,8 +3,7 @@
   "description": "Loads a guest which requests filesystem",
   "version": "1",
   "permissions": [
-    "webview",
-    "unlimitedStorage"
+    "webview"
   ],
   "webview": {
     "partitions": [

chrome/test/data/extensions/platform_apps/web_view/filesystem/worker/manifest.json

@@ -3,8 +3,7 @@
   "description": "Loads a guest which requests filesystem",
   "version": "1",
   "permissions": [
-    "webview",
-    "unlimitedStorage"
+    "webview"
   ],
   "webview": {
     "partitions": [