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..e494d2aad6f45759d6122d2e999e1c39bcb36b44 100644
--- a/chrome/browser/resources/gaia_auth_host/saml_handler.js
+++ b/chrome/browser/resources/gaia_auth_host/saml_handler.js
@@ -147,6 +147,12 @@ 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') {
+            e.request.allow();

[xiyuan, 2016/05/03 21:40:18]

nit: Add a comment about where the actual permission check happens to avoid
confusions from future reader of this code.

+          }
+        });
 
     this.webview_.request.onBeforeRequest.addListener(
         this.onInsecureRequest.bind(this),