Re-enable editable text output for read only content editables.

Change-Id: If274eda790046a53dffb0f4d3724aaaa1904699f
Reviewed-on: https://chromium-review.googlesource.com/1096422
Commit-Queue: David Tseng <dtseng@chromium.org>
Reviewed-by: Dominic Mazzoni <dmazzoni@chromium.org>
Reviewed-by: Raymes Khoury <raymes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#569502}

chrome/browser/resources/chromeos/chromevox/cvox2/background/command_handler.js

@@ -972,6 +972,11 @@ CommandHandler.onEditCommand_ = function(command) {
   if (!textEditHandler)
     return true;
 
+  // Skip customized keys for read only text fields.
+  if (textEditHandler.node.restriction ==
+      chrome.automation.Restriction.READ_ONLY)
+    return true;
+
   var isMultiline = AutomationPredicate.multiline(current.start.node);
   switch (command) {
     case 'previousCharacter':

chrome/browser/resources/chromeos/chromevox/cvox2/background/desktop_automation_handler.js

@@ -621,9 +621,6 @@ DesktopAutomationHandler.prototype = {
             !AutomationUtil.isDescendantOf(target, voxTarget))
       return false;
 
-    if (target.restriction == chrome.automation.Restriction.READ_ONLY)
-      return false;
-
     if (!this.textEditHandler_ || this.textEditHandler_.node !== target) {
       this.textEditHandler_ = editing.TextEditHandler.createForNode(target);
     }