3 files changed, 20 insertions, 2 deletions
diff --git a/chrome/common/extensions/api/_api_features.json b/chrome/common/extensions/api/_api_features.json
index b6e72e7..9026c20 100644
--- a/chrome/common/extensions/api/_api_features.json
+++ b/chrome/common/extensions/api/_api_features.json
@@ -309,6 +309,11 @@
     "dependencies": ["permission:identity"],
     "contexts": ["blessed_extension"]
   },
+  "identity.onSignInChanged": {
+    "channel": "dev",
+    "dependencies": ["permission:identity"],
+    "contexts": ["blessed_extension"]
+  },
   "identityPrivate": {
     "dependencies": ["permission:identityPrivate"],
     "contexts": ["blessed_extension"]
diff --git a/chrome/common/extensions/api/_permission_features.json b/chrome/common/extensions/api/_permission_features.json
index ce62073..922176a 100644
--- a/chrome/common/extensions/api/_permission_features.json
+++ b/chrome/common/extensions/api/_permission_features.json
@@ -360,6 +360,10 @@
     "channel": "stable",
     "extension_types": ["extension", "platform_app"]
   },
+  "identity.email": {
+    "channel": "dev",
+    "extension_types": ["extension", "platform_app"]
+  },
   "identityPrivate": {
     "channel": "stable",
     "extension_types": [
diff --git a/chrome/common/extensions/api/identity.idl b/chrome/common/extensions/api/identity.idl
index cba84e4..cefd50c 100644
--- a/chrome/common/extensions/api/identity.idl
+++ b/chrome/common/extensions/api/identity.idl
@@ -39,6 +39,11 @@ namespace identity {
     boolean? interactive;
   };
 
+  dictionary AccountInfo {
+    DOMString id;
+    DOMString? email;
+  };
+
   callback GetAuthTokenCallback = void (optional DOMString token);
   callback InvalidateAuthTokenCallback = void ();
   callback LaunchWebAuthFlowCallback = void (optional DOMString responseUrl);
@@ -85,6 +90,10 @@ namespace identity {
     // |callback| : Called with the URL redirected back to your application.
     static void launchWebAuthFlow(WebAuthFlowDetails details,
                                   LaunchWebAuthFlowCallback callback);
-  }
-  ;
+  };
+
+  interface Events {
+    // Fired when signin state changes for an account on the user's profile.
+    static void onSignInChanged(AccountInfo account, boolean signedIn);
+  };
 };