MD Settings People: Fix ChromeOS Change Picture Profile Icon tooltip

chrome/browser/resources/settings/people_page/change_picture.js

Index: chrome/browser/resources/settings/people_page/change_picture.js
diff --git a/chrome/browser/resources/settings/people_page/change_picture.js b/chrome/browser/resources/settings/people_page/change_picture.js
index 977c4483b043ba79f1470673cefbb1cea35c43ae..ff16b6efa1cfaf43ba39c4338787e8b92f9dd24c 100644
--- a/chrome/browser/resources/settings/people_page/change_picture.js
+++ b/chrome/browser/resources/settings/people_page/change_picture.js
@@ -199,7 +199,7 @@ Polymer({
    */
   receiveProfileImage_: function(imageUrl, selected) {
     this.profileImageUrl_ = imageUrl;
-    this.$.profileImage.alt = this.i18n('profilePhoto');
+    this.$.profileImage.title = this.i18n('profilePhoto');
 
     if (!selected)
       return;