Add webstorePrivate API for installing bundles of extensions.

chrome/common/extensions/api/extension_api.json

Index: chrome/common/extensions/api/extension_api.json
diff --git a/chrome/common/extensions/api/extension_api.json b/chrome/common/extensions/api/extension_api.json
index 9202df448b194fbf565dc3bf18ab287573720cda..02daaba272bb57ff4d9e2afcd7842ec6690d7c82 100644
--- a/chrome/common/extensions/api/extension_api.json
+++ b/chrome/common/extensions/api/extension_api.json
@@ -7816,6 +7816,29 @@
   {
     "namespace":"webstorePrivate",
     "nodoc": "true",
+    "types": [
+      {
+        "id": "BundleInstallDetails",
+        "type": "object",
+        "properties": {
+          "id": {
+            "type": "string",
+            "description": "The id of the extension to be installed.",
+            "minLength": 32,
+            "maxLength": 32
+          },
+          "manifest": {
+            "type": "string",
+            "description": "A string with the contents of the extension's manifest.json file. During the install process, the browser will check that the downloaded extension's manifest matches what was passed in here.",
+            "minLength": 1
+          },
+          "localizedName": {
+            "type": "string",
+            "description": "A string to use instead of the raw value of the 'name' key from manifest.json."
+          }
+        }
+      }
+    ],
     "functions": [
       {
         "name": "install",
@@ -7835,6 +7858,31 @@
         ]
       },
       {
+        "name": "installBundle",
+        "description": "Initiates the install process for the given bundle of extensions.",
+        "parameters": [
+          {
+            "name": "details",
+            "description": "An array of extension details to be installed.",
+            "type": "array",
+            "items": { "$ref": "BundleInstallDetails" }
+          },
+          {
+            "name": "callback",
+            "type": "function",
+            "description": "Called when the install process completes.",
+            "optional": "true",
+            "parameters": [
+              {
+                "name": "result",
+                "type": "string",
+                "description": "A string result code, which will be empty upon success. The possible values in the case of errors include 'unknown_error', 'user_cancelled' and 'permission_denied'."
+              }
+            ]
+          }
+        ]
+      },
+      {
         "name": "beginInstallWithManifest3",
         "description": "Initiates the install process for the given extension.",
         "parameters": [
@@ -7895,7 +7943,6 @@
             ]
           }
         ]
-
       },
       {
         "name": "completeInstall",