Move the identical getInfo parameters from the windows API into a shared type.

chrome/common/extensions/api/windows.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": "windows",
     "description": "Use the <code>chrome.windows</code> API to interact with browser windows. You can use this API to create, modify, and rearrange windows in the browser.",
     "compiler_options": {
       "implemented_in": "chrome/browser/extensions/api/tabs/tabs_api.h"
@@ skipping 35 matching lines @@
           },
           "alwaysOnTop": {"type": "boolean", "description": "Whether the window is set to be always on top."},
           "sessionId": {"type": "string", "optional": true, "description": "The session ID used to uniquely identify a Window obtained from the $(ref:sessions) API."}
         }
       },
       {
         "id": "CreateType",
         "type": "string",
         "description": "Specifies what type of browser window to create. The 'panel' and 'detached_panel' types create a popup unless the '--enable-panels' flag is set.",
         "enum": ["normal", "popup", "panel", "detached_panel"]
+      },
+      {
+        "id": "GetInfo",
+        "type": "object",
+        "description": "Additional options given to the family of get functions: $(ref:windows.get), $(ref:windows.getCurrent), $(ref:windows.getLastFocused), and $(ref:windows.getAll).",
+        "properties": {
+          "populate": {
+            "type": "boolean",
+            "optional": true,
+            "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission."
+          }
+        }
       }
     ],
     "properties": {
       "WINDOW_ID_NONE": {
         "value": -1,
         "description": "The windowId value that represents the absence of a chrome browser window."
       },
       "WINDOW_ID_CURRENT": {
         "value": -2,
         "description": "The windowId value that represents the <a href='windows#current-window'>current window</a>."
       }
     },
     "functions": [
       {
         "name": "get",
         "type": "function",
         "description": "Gets details about a window.",
         "parameters": [
           {"type": "integer", "name": "windowId", "minimum": -2},
-          {
-            "type": "object",
-            "name": "getInfo",
-            "optional": true,
-            "description": "",
-            "properties": {
-              "populate": {"type": "boolean", "optional": true, "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission." }
-            }
-          },
+          {"$ref": "GetInfo", "name": "getInfo", "optional": true},
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "name": "window", "$ref": "Window"
               }
             ]
           }
         ]
       },
       {
         "name": "getCurrent",
         "type": "function",
         "description": "Gets the <a href='#current-window'>current window</a>.",
         "parameters": [
-          {
-            "type": "object",
-            "name": "getInfo",
-            "optional": true,
-            "description": "",
-            "properties": {
-              "populate": {"type": "boolean", "optional": true, "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission." }
-            }
-          },
+          {"$ref": "GetInfo", "name": "getInfo", "optional": true},
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "name": "window", "$ref": "Window"
               }
             ]
           }
         ]
       },
       {
         "name": "getLastFocused",
         "type": "function",
         "description": "Gets the window that was most recently focused &mdash; typically the window 'on top'.",
         "parameters": [
-          {
-            "type": "object",
-            "name": "getInfo",
-            "optional": true,
-            "description": "",
-            "properties": {
-              "populate": {"type": "boolean", "optional": true, "description": "If true, the $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission." }
-            }
-          },
+          {"$ref": "GetInfo", "name": "getInfo", "optional": true},
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "name": "window", "$ref": "Window"
               }
             ]
           }
         ]
       },
       {
         "name": "getAll",
         "type": "function",
         "description": "Gets all windows.",
         "parameters": [
-          {
-            "type": "object",
-            "name": "getInfo",
-            "optional": true,
-            "description": "",
-            "properties": {
-              "populate": {"type": "boolean", "optional": true, "description": "If true, each $(ref:windows.Window) object will have a <var>tabs</var> property that contains a list of the $(ref:tabs.Tab) objects for that window. The <code>Tab</code> objects only contain the <code>url</code>, <code>title</code> and <code>favIconUrl</code> properties if the extension's manifest file includes the <code>\"tabs\"</code> permission." }
-            }
-          },
+          {"$ref": "GetInfo", "name": "getInfo", "optional": true},
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "name": "windows", "type": "array", "items": { "$ref": "Window" }
               }
             ]
           }
         ]
@@ skipping 118 matching lines @@
         "name": "onFocusChanged",
         "type": "function",
         "description": "Fired when the currently focused window changes. Will be chrome.windows.WINDOW_ID_NONE if all chrome windows have lost focus. Note: On some Linux window managers, WINDOW_ID_NONE will always be sent immediately preceding a switch from one chrome window to another.",
         "parameters": [
           {"type": "integer", "name": "windowId", "minimum": -1, "description": "ID of the newly focused window."}
         ]
       }
     ]
   }
 ]