Show confirmation dialog for unsecure signin

chrome/browser/resources/gaia_auth/background.js

Index: chrome/browser/resources/gaia_auth/background.js
diff --git a/chrome/browser/resources/gaia_auth/background.js b/chrome/browser/resources/gaia_auth/background.js
index 3baafc2c332103425c7787c50207c86f61b67886..6d13910111f18371157546c01a7f083c9549bd2f 100644
--- a/chrome/browser/resources/gaia_auth/background.js
+++ b/chrome/browser/resources/gaia_auth/background.js
@@ -124,6 +124,9 @@ BackgroundBridge.prototype = {
   // header 'google-accounts-signin'.
   sessionIndex_: null,
 
+  // Whether the user needs to confirm signin because of insecure content.
+  confirmUntrustedSignin_: false,
+
   // Gaia URL base that is set from main auth script.
   gaiaUrl_: null,
 
@@ -223,7 +226,8 @@ BackgroundBridge.prototype = {
         'email': this.email_,
         'password': passwords[0],
         'sessionIndex': this.sessionIndex_,
-        'skipForNow': skipForNow
+        'skipForNow': skipForNow,
+        'confirmUntrustedSignin': this.confirmUntrustedSignin_
       };
       this.channelMain_.send(msg);
     } else if (this.isConstrainedWindow_) {
@@ -251,8 +255,10 @@ BackgroundBridge.prototype = {
    * @return {!Object} Decision whether to block the request.
    */
   onInsecureRequest: function(url) {
-    if (!this.blockInsecureContent_)
+    if (!this.blockInsecureContent_) {
+      this.confirmUntrustedSignin_ = true;
       return {};
+    }
     this.channelMain_.send({name: 'onInsecureContentBlocked', url: url});
     return {cancel: true};
   },