[MD Bookmarks] Add skeleton for Material Design Bookmarks

chrome/common/extensions/api/_api_features.json

Index: chrome/common/extensions/api/_api_features.json
diff --git a/chrome/common/extensions/api/_api_features.json b/chrome/common/extensions/api/_api_features.json
index f041efbc63c21a9086c97e77e12ac75858625b96..3130e5d157ba1e36ad915f7a659a958e1f6ba343 100644
--- a/chrome/common/extensions/api/_api_features.json
+++ b/chrome/common/extensions/api/_api_features.json
@@ -112,10 +112,16 @@
     "dependencies": ["permission:autotestPrivate"],
     "contexts": ["blessed_extension"]
   },
-  "bookmarkManagerPrivate": {
+  "bookmarkManagerPrivate": [{
     "dependencies": ["permission:bookmarkManagerPrivate"],
     "contexts": ["blessed_extension"]
-  },
+  }, {
+    "channel": "stable",
+    "contexts": ["webui"],
+    "matches": [
+      "chrome://bookmarks/*"

[Dan Beam, 2016/10/29 01:10:00]

are we planning on using this extension API for the new page?

[calamity, 2016/11/01 02:37:59]

I think we should. It's what the existing bookmark manager uses and it'd be
annoying to reimplement as a WebUI message handler. Any reason not to?

[Dan Beam, 2016/11/01 06:34:17]

i haven't found extension APIs all too helpful on settings

+    ]
+  }],
   "bookmarks": {
     "dependencies": ["permission:bookmarks"],
     "contexts": ["blessed_extension"]