Introduce webNavigation.onTabReplaced event that is fired when a tab from instant or prerender repl…

chrome/common/extensions/docs/samples.json

 {
   "api": {
     "chrome.alarms.clear": "alarms.html#method-clear",
     "chrome.alarms.clearAll": "alarms.html#method-clearAll",
     "chrome.alarms.create": "alarms.html#method-create",
     "chrome.alarms.get": "alarms.html#method-get",
     "chrome.alarms.getAll": "alarms.html#method-getAll",
     "chrome.alarms.onAlarm": "alarms.html#event-onAlarm",
     "chrome.appWindow.create": "appWindow.html#method-create",
     "chrome.appWindow.focus": "appWindow.html#method-focus",
@@ skipping 346 matching lines @@
     "chrome.types.ChromeSetting.set": "types.html#method-ChromeSetting-set",
     "chrome.webNavigation.getAllFrames": "webNavigation.html#method-getAllFrames",
     "chrome.webNavigation.getFrame": "webNavigation.html#method-getFrame",
     "chrome.webNavigation.onBeforeNavigate": "webNavigation.html#event-onBeforeNavigate",
     "chrome.webNavigation.onCommitted": "webNavigation.html#event-onCommitted",
     "chrome.webNavigation.onCompleted": "webNavigation.html#event-onCompleted",
     "chrome.webNavigation.onCreatedNavigationTarget": "webNavigation.html#event-onCreatedNavigationTarget",
     "chrome.webNavigation.onDOMContentLoaded": "webNavigation.html#event-onDOMContentLoaded",
     "chrome.webNavigation.onErrorOccurred": "webNavigation.html#event-onErrorOccurred",
     "chrome.webNavigation.onReferenceFragmentUpdated": "webNavigation.html#event-onReferenceFragmentUpdated",
+    "chrome.webNavigation.onTabReplaced": "webNavigation.html#event-onTabReplaced",
     "chrome.webRequest.handlerBehaviorChanged": "webRequest.html#method-handlerBehaviorChanged",
     "chrome.webRequest.onAuthRequired": "webRequest.html#event-onAuthRequired",
     "chrome.webRequest.onBeforeRedirect": "webRequest.html#event-onBeforeRedirect",
     "chrome.webRequest.onBeforeRequest": "webRequest.html#event-onBeforeRequest",
     "chrome.webRequest.onBeforeSendHeaders": "webRequest.html#event-onBeforeSendHeaders",
     "chrome.webRequest.onCompleted": "webRequest.html#event-onCompleted",
     "chrome.webRequest.onErrorOccurred": "webRequest.html#event-onErrorOccurred",
     "chrome.webRequest.onHeadersReceived": "webRequest.html#event-onHeadersReceived",
     "chrome.webRequest.onResponseStarted": "webRequest.html#event-onResponseStarted",
     "chrome.webRequest.onSendHeaders": "webRequest.html#event-onSendHeaders",
@@ skipping 2386 matching lines @@
         "chrome.webNavigation.onCompleted",
         "chrome.webNavigation.onCreatedNavigationTarget",
         "chrome.webNavigation.onErrorOccurred",
         "chrome.webNavigation.onReferenceFragmentUpdated"
       ],
       "crx_path": null,
       "description": "Demonstration of the WebNavigation extension API.",
       "features": [
         "background_page",
         "browser_action",
-        "extension",
         "webNavigation"
       ],
       "icon": null,
       "id": "a3c674f7eb93621c590562ad3fa04de4f03f53a0",
       "name": "WebNavigation Tech Demo",
       "packaged_app": false,
       "path": "examples/api/webNavigation/basic/",
       "protocols": [],
-      "search_string": "WEBNAVIGATION TECH DEMO DEMONSTRATION OF THE WEBNAVIGATION EXTENSION API. BACKGROUND_PAGE BROWSER_ACTION EXTENSION WEBNAVIGATION CHROME.I18N.GETMESSAGE CHROME.WEBNAVIGATION.ONBEFORENAVIGATE CHROME.WEBNAVIGATION.ONCOMMITTED CHROME.WEBNAVIGATION.ONCOMPLETED CHROME.WEBNAVIGATION.ONCREATEDNAVIGATIONTARGET CHROME.WEBNAVIGATION.ONERROROCCURRED CHROME.WEBNAVIGATION.ONREFERENCEFRAGMENTUPDATED",
+      "search_string": "WEBNAVIGATION TECH DEMO DEMONSTRATION OF THE WEBNAVIGATION EXTENSION API. BACKGROUND_PAGE BROWSER_ACTION WEBNAVIGATION CHROME.I18N.GETMESSAGE CHROME.WEBNAVIGATION.ONBEFORENAVIGATE CHROME.WEBNAVIGATION.ONCOMMITTED CHROME.WEBNAVIGATION.ONCOMPLETED CHROME.WEBNAVIGATION.ONCREATEDNAVIGATIONTARGET CHROME.WEBNAVIGATION.ONERROROCCURRED CHROME.WEBNAVIGATION.ONREFERENCEFRAGMENTUPDATED",
       "source_files": [
         "_locales/en/messages.json",
         "background.js",
         "manifest.json",
         "navigation_collector.js",
         "popup.css",
         "popup.html",
         "popup.js"
       ],
-      "source_hash": "d2b40d0496b107609dd8288cb52f15aa5d36c312",
+      "source_hash": "b3b6eb02fe573a1a3b4c8e05cc2908e74811e825",
       "zip_path": "examples/api/webNavigation/basic.zip"
     },
     {
       "api_calls": [
         "chrome.extension.isAllowedFileSchemeAccess",
         "chrome.extension.isAllowedIncognitoAccess"
       ],
       "crx_path": null,
       "description": "Demonstrates the `extension.isAllowedFileSchemeAccess` and `extesion.isAllowedIncognitoAccess` APIs",
       "features": [
@@ skipping 12 matching lines @@
         "manifest.json",
         "popup.html",
         "popup.js",
         "sample.css"
       ],
       "source_hash": "8e51dc3a9577065d22ce92f3c838edc5ceaf4e65",
       "zip_path": "examples/api/extension/isAllowedAccess.zip"
     }
   ]
 }