Convert tabs, windows, and extension APIs to feature system.

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",
-    "dependencies": [ "tabs" ],
+    "uses_feature_system": true,
+    "extension_types": ["extension", "packaged_app", "platform_app"],
+    // unblessed_extension and content_script are required because this module
+    // is needed by tabs.json, which is needed by extension.json.
+    "contexts": ["blessed_extension", "unblessed_extension", "content_script"],
+    "dependencies": ["api:tabs"],
     "types": [
       {
         "id": "Window",
         "type": "object",
         "properties": {
           "id": {"type": "integer", "minimum": 0, "description": "The ID of the window. Window IDs are unique within a browser session."},
           "focused": {"type": "boolean", "description": "Whether the window is currently the focused window."},
           "top": {"type": "integer", "description": "The offset of the window from the top edge of the screen in pixels."},
           "left": {"type": "integer", "description": "The offset of the window from the left edge of the screen in pixels."},
           "width": {"type": "integer", "description": "The width of the window in pixels."},
@@ skipping 22 matching lines @@
       },
       "WINDOW_ID_CURRENT": {
         "type": "integer",
         "value": "-2",
         "description": "The windowId value that represents the <a href='windows.html#current-window'>current window</a>."
       }
     },
     "functions": [
       {
         "name": "get",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "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 window object will have a <var>tabs</var> property that contains a list of the $ref:Tab objects" }
             }
           },
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "name": "window", "$ref": "Window"
               }
             ]
           }
         ]
       },
       {
         "name": "getCurrent",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "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 window object will have a <var>tabs</var> property that contains a list of the $ref:Tab objects" }
             }
           },
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "name": "window", "$ref": "Window"
               }
             ]
           }
         ]
       },
       {
         "name": "getLastFocused",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "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 window object will have a <var>tabs</var> property that contains a list of the $ref:Tab objects" }
             }
           },
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "name": "window", "$ref": "Window"
               }
             ]
           }
         ]
       },
       {
         "name": "getAll",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Gets all windows.",
         "parameters": [
           {
             "type": "object",
             "name": "getInfo",
             "optional": true,
             "description": "",
             "properties": {
               "populate": {"type": "boolean", "optional": true, "description": "If true, each window object will have a <var>tabs</var> property that contains a list of the $ref:Tab objects for that window." }
             }
           },
           {
             "type": "function",
             "name": "callback",
             "parameters": [
               {
                 "name": "windows", "type": "array", "items": { "$ref": "Window" }
               }
             ]
           }
         ]
       },
       {
         "name": "create",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Creates (opens) a new browser with any optional sizing, position or default URL provided.",
         "parameters": [
           {
             "type": "object",
             "name": "createData",
             "properties": {
               "url": {
                 "type": "string",
                 "description": "A URL or list of URLs to open as tabs in the window. Fully-qualified URLs must include a scheme (i.e. 'http://www.google.com', not 'www.google.com'). Relative URLs will be relative to the current page within the extension. Defaults to the New Tab Page.",
@@ skipping 27 matching lines @@
               {
                 "name": "window", "$ref": "Window", "description": "Contains details about the created window.",
                 "optional": true
               }
             ]
           }
         ]
       },
       {
         "name": "update",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Updates the properties of a window. Specify only the properties that you want to change; unspecified properties will be left unchanged.",
         "parameters": [
           {"type": "integer", "name": "windowId", "minimum": -2},
           {
             "type": "object",
             "name": "updateInfo",
             "properties": {
               "left": {"type": "integer", "optional": true, "description": "The offset from the left edge of the screen to move the window to in pixels. This value is ignored for panels."},
               "top": {"type": "integer", "optional": true, "description": "The offset from the top edge of the screen to move the window to in pixels. This value is ignored for panels."},
@@ skipping 16 matching lines @@
             "parameters": [
               {
                 "name": "window", "$ref": "Window"
               }
             ]
           }
         ]
       },
       {
         "name": "remove",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Removes (closes) a window, and all the tabs inside it.",
         "parameters": [
           {"type": "integer", "name": "windowId", "minimum": 0},
           {"type": "function", "name": "callback", "optional": true, "parameters": []}
         ]
       }
     ],
     "events": [
       {
         "name": "onCreated",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Fired when a window is created.",
         "parameters": [
           {
             "$ref": "Window",
             "name": "window",
             "description": "Details of the window that was created."
           }
         ]
       },
       {
         "name": "onRemoved",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Fired when a window is removed (closed).",
         "parameters": [
           {"type": "integer", "name": "windowId", "minimum": 0, "description": "ID of the removed window."}
         ]
       },
       {
         "name": "onFocusChanged",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "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."}
         ]
       }
     ]
   }
 ]