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

chrome/common/extensions/api/windows.json

Index: chrome/common/extensions/api/windows.json
diff --git a/chrome/common/extensions/api/windows.json b/chrome/common/extensions/api/windows.json
index 573a93c0723d9836aa5674adc26090595e1faa86..79527a58728fbbec61ed5dca30aa1701202afc34 100644
--- a/chrome/common/extensions/api/windows.json
+++ b/chrome/common/extensions/api/windows.json
@@ -5,7 +5,12 @@
 [
   {
     "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",
@@ -48,6 +53,8 @@
     "functions": [
       {
         "name": "get",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Gets details about a window.",
         "parameters": [
@@ -74,6 +81,8 @@
       },
       {
         "name": "getCurrent",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Gets the <a href='#current-window'>current window</a>.",
         "parameters": [
@@ -99,6 +108,8 @@
       },
       {
         "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": [
@@ -124,6 +135,8 @@
       },
       {
         "name": "getAll",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Gets all windows.",
         "parameters": [
@@ -149,6 +162,8 @@
       },
       {
         "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": [
@@ -196,6 +211,8 @@
       },
       {
         "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": [
@@ -232,6 +249,8 @@
       },
       {
         "name": "remove",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Removes (closes) a window, and all the tabs inside it.",
         "parameters": [
@@ -243,6 +262,8 @@
     "events": [
       {
         "name": "onCreated",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Fired when a window is created.",
         "parameters": [
@@ -255,6 +276,8 @@
       },
       {
         "name": "onRemoved",
+        "contexts": ["blessed_extension"],
+        "dependencies": ["permission:tabs"],
         "type": "function",
         "description": "Fired when a window is removed (closed).",
         "parameters": [
@@ -263,6 +286,8 @@
       },
       {
         "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": [