Add experimental.alarms API to allow lazy background pages to

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 69 matching lines @@
     "chrome.devtools.panels.ExtensionPanel.onSearch": "devtools.panels.html#event-ExtensionPanel-onSearch",
     "chrome.devtools.panels.ExtensionPanel.onShown": "devtools.panels.html#event-ExtensionPanel-onShown",
     "chrome.devtools.panels.ExtensionSidebarPane.onHidden": "devtools.panels.html#event-ExtensionSidebarPane-onHidden",
     "chrome.devtools.panels.ExtensionSidebarPane.onShown": "devtools.panels.html#event-ExtensionSidebarPane-onShown",
     "chrome.devtools.panels.ExtensionSidebarPane.setExpression": "devtools.panels.html#method-ExtensionSidebarPane-setExpression",
     "chrome.devtools.panels.ExtensionSidebarPane.setHeight": "devtools.panels.html#method-ExtensionSidebarPane-setHeight",
     "chrome.devtools.panels.ExtensionSidebarPane.setObject": "devtools.panels.html#method-ExtensionSidebarPane-setObject",
     "chrome.devtools.panels.ExtensionSidebarPane.setPage": "devtools.panels.html#method-ExtensionSidebarPane-setPage",
     "chrome.devtools.panels.create": "devtools.panels.html#method-create",
     "chrome.devtools.panels.setOpenResourceHandler": "devtools.panels.html#method-setOpenResourceHandler",
+    "chrome.experimental.alarms.clear": "experimental.alarms.html#method-clear",
+    "chrome.experimental.alarms.clearAll": "experimental.alarms.html#method-clearAll",
+    "chrome.experimental.alarms.get": "experimental.alarms.html#method-get",
+    "chrome.experimental.alarms.getAll": "experimental.alarms.html#method-getAll",
+    "chrome.experimental.alarms.onAlarm": "experimental.alarms.html#event-onAlarm",
+    "chrome.experimental.alarms.set": "experimental.alarms.html#method-set",
     "chrome.experimental.app.clearAllNotifications": "experimental.app.html#method-clearAllNotifications",
     "chrome.experimental.app.notify": "experimental.app.html#method-notify",
     "chrome.experimental.devtools.audits.AuditCategory.onAuditStarted": "experimental.devtools.audits.html#event-AuditCategory-onAuditStarted",
     "chrome.experimental.devtools.audits.AuditResultNode.addChild": "experimental.devtools.audits.html#method-AuditResultNode-addChild",
     "chrome.experimental.devtools.audits.AuditResults.addResult": "experimental.devtools.audits.html#method-AuditResults-addResult",
     "chrome.experimental.devtools.audits.AuditResults.createResult": "experimental.devtools.audits.html#method-AuditResults-createResult",
     "chrome.experimental.devtools.audits.AuditResults.createSnippet": "experimental.devtools.audits.html#method-AuditResults-createSnippet",
     "chrome.experimental.devtools.audits.AuditResults.createURL": "experimental.devtools.audits.html#method-AuditResults-createURL",
     "chrome.experimental.devtools.audits.AuditResults.done": "experimental.devtools.audits.html#method-AuditResults-done",
     "chrome.experimental.devtools.audits.addCategory": "experimental.devtools.audits.html#method-addCategory",
@@ skipping 2170 matching lines @@
       "path": "examples\/api\/storage\/stylizr\/",
       "protocols": [],
       "search_string": "STYLIZR SPRUCE UP YOUR PAGES WITH CUSTOM CSS. <ALL_URLS> BROWSER_ACTION OPTIONS_PAGE STORAGE TABS CHROME.EXTENSION.GETURL CHROME.TABS.INSERTCSS",
       "source_files": [
         "manifest.json",
         "options.html",
         "options.js",
         "popup.html",
         "popup.js"
       ],
-      "source_hash": "70d9c5f3e56fb17c0ee9f0582c9b817d95cdc772",
+      "source_hash": "5a16cf4c1a8b25e1c73d7056ad5af86df2bc2f1c",
       "zip_path": "examples\/api\/storage\/stylizr.zip"
     },
     {
       "api_calls": [
         "chrome.browserAction.onClicked",
         "chrome.extension.getURL",
         "chrome.tabs.create",
         "chrome.tabs.get",
         "chrome.tabs.move",
         "chrome.tabs.onAttached",
@@ skipping 285 matching lines @@
         "manifest.json",
         "popup.html",
         "popup.js",
         "sample.css"
       ],
       "source_hash": "8e51dc3a9577065d22ce92f3c838edc5ceaf4e65",
       "zip_path": "examples\/api\/extension\/isAllowedAccess.zip"
     }
   ]
 }