Enabled Selection (ctrl-A) on login password

chrome/browser/resources/shared/js/util.js

Index: chrome/browser/resources/shared/js/util.js
diff --git a/chrome/browser/resources/shared/js/util.js b/chrome/browser/resources/shared/js/util.js
index c77fc3434d9707811ceb8520443361bfc1e7c5a9..729d7d5da017e2b485139ad7f008d93a4e6e1fc7 100644
--- a/chrome/browser/resources/shared/js/util.js
+++ b/chrome/browser/resources/shared/js/util.js
@@ -107,18 +107,25 @@ function swapDomNodes(a, b) {
 }
 
 /**
- * Disables text selection and dragging.
+ * Disables text selection and dragging, with optional whitelist callbacks.
+ * @param {function(Event):boolean=} opt_allowSelectStart Unless this function
+ *    is defined and returns true, the onselectionstart event will be
+ *    surpressed.
+ * @param {function(Event):boolean=} opt_allowDragStart Unless this function
+ *    is defined and returns true, the ondragstart event will be surpressed.
  */
-function disableTextSelectAndDrag() {
+function disableTextSelectAndDrag(opt_allowSelectStart, opt_allowDragStart) {
   // Disable text selection.
   document.onselectstart = function(e) {
-    e.preventDefault();
-  }
+    if (!(opt_allowSelectStart && opt_allowSelectStart.call(this, e)))
+      e.preventDefault();
+  };
 
   // Disable dragging.
   document.ondragstart = function(e) {
-    e.preventDefault();
-  }
+    if (!(opt_allowDragStart && opt_allowDragStart.call(this, e)))
+      e.preventDefault();
+  };
 }
 
 /**