Move topSites API out of experimental

chrome/common/extensions/docs/samples.json

 {
   "api": {
     "chrome.bookmarks.create": "bookmarks.html#method-create",
     "chrome.bookmarks.get": "bookmarks.html#method-get",
     "chrome.bookmarks.getChildren": "bookmarks.html#method-getChildren",
     "chrome.bookmarks.getRecent": "bookmarks.html#method-getRecent",
     "chrome.bookmarks.getSubTree": "bookmarks.html#method-getSubTree",
     "chrome.bookmarks.getTree": "bookmarks.html#method-getTree",
     "chrome.bookmarks.move": "bookmarks.html#method-move",
     "chrome.bookmarks.onChanged": "bookmarks.html#event-onChanged",
@@ skipping 210 matching lines @@
     "chrome.tabs.onDetached": "tabs.html#event-onDetached",
     "chrome.tabs.onHighlighted": "tabs.html#event-onHighlighted",
     "chrome.tabs.onMoved": "tabs.html#event-onMoved",
     "chrome.tabs.onRemoved": "tabs.html#event-onRemoved",
     "chrome.tabs.onUpdated": "tabs.html#event-onUpdated",
     "chrome.tabs.query": "tabs.html#method-query",
     "chrome.tabs.reload": "tabs.html#method-reload",
     "chrome.tabs.remove": "tabs.html#method-remove",
     "chrome.tabs.sendRequest": "tabs.html#method-sendRequest",
     "chrome.tabs.update": "tabs.html#method-update",
+    "chrome.topSites.get": "topSites.html#method-get",
     "chrome.tts.getVoices": "tts.html#method-getVoices",
     "chrome.tts.isSpeaking": "tts.html#method-isSpeaking",
     "chrome.tts.speak": "tts.html#method-speak",
     "chrome.tts.stop": "tts.html#method-stop",
     "chrome.ttsEngine.onSpeak": "ttsEngine.html#event-onSpeak",
     "chrome.ttsEngine.onStop": "ttsEngine.html#event-onStop",
     "chrome.types.ChromeSetting.clear": "types.html#method-ChromeSetting-clear",
     "chrome.types.ChromeSetting.get": "types.html#method-ChromeSetting-get",
     "chrome.types.ChromeSetting.onChange": "types.html#event-ChromeSetting-onChange",
     "chrome.types.ChromeSetting.set": "types.html#method-ChromeSetting-set",
@@ skipping 1501 matching lines @@
         "background.js",
         "manifest.json",
         "options.html",
         "options.js",
         "style.css"
       ],
       "source_hash": "a4052b597b547934e7c84ae39627a5378cd2e397",
       "zip_path": "examples\/api\/notifications.zip"
     },
     {
-      "api_calls": [],
+      "api_calls": [
+        "chrome.topSites.get"
+      ],
       "crx_path": null,
       "description": "extension to prototype new NTP designs",
       "features": [
         "chrome_url_overrides",
-        "experimental"
+        "topSites"
       ],
       "icon": null,
       "id": "2df34c9db20549bd52f2dec3d59d564853bdefac",
       "name": "NTP prototyping extension",
       "packaged_app": false,
       "path": "examples\/api\/topsites\/magic8ball\/",
       "protocols": [
-        "chrome:\/\/",
         "chrome:\/\/"
       ],
-      "search_string": "NTP PROTOTYPING EXTENSION EXTENSION TO PROTOTYPE NEW NTP DESIGNS CHROME_URL_OVERRIDES EXPERIMENTAL",
+      "search_string": "NTP PROTOTYPING EXTENSION EXTENSION TO PROTOTYPE NEW NTP DESIGNS CHROME_URL_OVERRIDES TOPSITES CHROME.TOPSITES.GET",
       "source_files": [
         "manifest.json",
         "newTab.css",
         "newTab.html",
         "newTab.js"
       ],
-      "source_hash": "4d7cc6f66c8bee44ae3857b7dcb7bdae7c3e60f5",
+      "source_hash": "e31b2a10f0fa1455d7bd14f5da5f157efff99ec7",
       "zip_path": "examples\/api\/topsites\/magic8ball.zip"
     },
     {
       "api_calls": [
         "chrome.omnibox.onInputChanged",
         "chrome.omnibox.onInputEntered"
       ],
       "crx_path": null,
       "description": "To use, type 'omnix' plus a search term into the Omnibox.",
       "features": [
@@ skipping 780 matching lines @@
         "manifest.json",
         "popup.html",
         "popup.js",
         "sample.css"
       ],
       "source_hash": "8e51dc3a9577065d22ce92f3c838edc5ceaf4e65",
       "zip_path": "examples\/api\/extension\/isAllowedAccess.zip"
     }
   ]
 }