Allow SAML logins to use the webcam

chrome/browser/resources/gaia_auth_host/saml_handler.js

Index: chrome/browser/resources/gaia_auth_host/saml_handler.js
diff --git a/chrome/browser/resources/gaia_auth_host/saml_handler.js b/chrome/browser/resources/gaia_auth_host/saml_handler.js
index 9b6ceb94c001034cff1594c0687406de6c1657c9..70486c7e06457057d120cda06897182f992da68a 100644
--- a/chrome/browser/resources/gaia_auth_host/saml_handler.js
+++ b/chrome/browser/resources/gaia_auth_host/saml_handler.js
@@ -147,6 +147,14 @@ cr.define('cr.login', function() {
         'loadabort', this.onLoadAbort_.bind(this));
     this.webview_.addEventListener(
         'loadcommit', this.onLoadCommit_.bind(this));
+    this.webview_.addEventListener(
+        'permissionrequest', function(e) {
+          if (e.permission === 'media') {
+            // The actual permission check happens in
+            // WebUILoginView::RequestMediaAccessPermission().
+            e.request.allow();
+          }
+        });
 
     this.webview_.request.onBeforeRequest.addListener(
         this.onInsecureRequest.bind(this),