moved files

manifest.json

@@ -18,8 +18,8 @@
 				"lib/browser-polyfill/custom-browser-polyfill.js",
 				"extension/index.js",
 				"lib/single-file/doc-helper.js",
-				"lib/single-file/frame-tree/timeout.js",
-				"lib/single-file/frame-tree/frame-tree.js",
+				"lib/single-file/timeout.js",
+				"lib/single-file/frame-tree.js",
 				"extension/core/content/content-frame.js"
 			],
 			"all_frames": true,