Add width and height to chrome.tabs.Tab.

chrome/common/extensions/api/tabs.json

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 [
   {
     "namespace": "tabs",
     "description": "Use the <code>chrome.tabs</code> API to interact with the browser's tab system. You can use this API to create, modify, and rearrange tabs in the browser.",
     "types": [
       {
         "id": "Tab",
         "type": "object",
         "properties": {
           "id": {"type": "integer", "minimum": 0, "description": "The ID of the tab. Tab IDs are unique within a browser session."},
           // TODO(kalman): Investigate how this is ending up as -1 (based on window type? a bug?) and whether it should be optional instead.
           "index": {"type": "integer", "minimum": -1, "description": "The zero-based index of the tab within its window."},
           "windowId": {"type": "integer", "minimum": 0, "description": "The ID of the window the tab is contained within."},
           "openerTabId": {"type": "integer", "minimum": 0, "optional": true, "description": "The ID of the tab that opened this tab, if any. This will only be present if the opener tab still exists."},
           "selected": {"type": "boolean", "description": "Whether the tab is selected.", "nodoc": true},
           "highlighted": {"type": "boolean", "description": "Whether the tab is highlighted."},
           "active": {"type": "boolean", "description": "Whether the tab is active in its window. (Does not necessarily mean the window is focused.)"},
           "pinned": {"type": "boolean", "description": "Whether the tab is pinned."},
           "url": {"type": "string", "optional": true, "description": "The URL the tab is displaying. This will only be present if the extension has the 'tabs' or 'webNavigation' permission."},
           "title": {"type": "string", "optional": true, "optional": true, "description": "The title of the tab. This will only be present if the extension has the 'tabs' or 'webNavigation' permission. It may also be an empty string if the tab is loading."},
           "favIconUrl": {"type": "string", "optional": true, "optional": true, "description": "The URL of the tab's favicon. This will only be present if the extension has the 'tabs' or 'webNavigation' permission. It may also be an empty string if the tab is loading."},
           "status": {"type": "string", "optional": true, "description": "Either <em>loading</em> or <em>complete</em>."},
-          "incognito": {"type": "boolean", "description": "Whether the tab is in an incognito window."}
+          "incognito": {"type": "boolean", "description": "Whether the tab is in an incognito window."},
+          "width": {"type": "integer", "optional": true, "description": "The width of the tab in pixels."},
+          "height": {"type": "integer", "optional": true, "description": "The height of the tab in pixels."}
         }
       },
       {
         "id": "InjectDetails",
         "type": "object",
         "description": "Details of the script or CSS to inject. Either the code or the file property must be set, but both may not be set at the same time.",
         "properties": {
           "code": {"type": "string", "optional": true, "description": "JavaScript or CSS code to inject."},
           "file": {"type": "string", "optional": true, "description": "JavaScript or CSS file to inject."},
           "allFrames": {"type": "boolean", "optional": true, "description": "If allFrames is <code>true</code>, implies that the JavaScript or CSS should be injected into all frames of current page. By default, it's <code>false</code> and will only be injected into the top frame."},
@@ skipping 892 matching lines @@
         "type": "function",
         "description": "Fired when a tab is replaced with another tab due to prerendering or instant.",
         "parameters": [
           {"type": "integer", "name": "addedTabId", "minimum": 0},
           {"type": "integer", "name": "removedTabId", "minimum": 0}
         ]
       }
     ]
   }
 ]