diff --git a/extensions/chromium/extension-router.js b/extensions/chromium/extension-router.js
index d9a0c23e1..e4ff6f426 100644
--- a/extensions/chromium/extension-router.js
+++ b/extensions/chromium/extension-router.js
@@ -27,6 +27,8 @@ limitations under the License.
     'ftp',
     'file',
     'chrome-extension',
+    'blob',
+    'data',
     // Chromium OS
     'filesystem',
     // Chromium OS, shorthand for filesystem:<origin>/external/
diff --git a/extensions/chromium/manifest.json b/extensions/chromium/manifest.json
index 230bb762a..78eff2515 100644
--- a/extensions/chromium/manifest.json
+++ b/extensions/chromium/manifest.json
@@ -63,6 +63,8 @@
     "ftp:/*",
     "file:/*",
     "chrome-extension:/*",
+    "blob:*",
+    "data:*",
     "filesystem:/*",
     "drive:*"
   ]