Fix CONSOLE errors in reset_browsertest.cc

This eliminates some console logging that should not be in production,
and fixes a potential bug in the reset screen that generates a
CONSOLE error in ResetTest but does not cause the test to fail.

Bug: 647411
Cq-Include-Trybots: master.tryserver.chromium.linux:closure_compilation
Change-Id: I54e8d9d6c93a3e6aeed42381f8658d182bd1c965
Reviewed-on: https://chromium-review.googlesource.com/1087210Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
Commit-Queue: Steven Bennetts <stevenjb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#565402}

chrome/browser/resources/chromeos/login/oobe_reset_confirmation_overlay.js

@@ -14,12 +14,14 @@ Polymer({
     isPowerwashView_: Boolean,
   },
 
-  showModal: function() {
-    this.$.dialog.showModal();
+  open: function() {
+    if (!this.$.dialog.open)
+      this.$.dialog.showModal();
   },
 
   close: function() {
-    this.$.dialog.close();
+    if (this.$.dialog.open)
+      this.$.dialog.close();
   },
 
   /**

chrome/browser/resources/chromeos/login/oobe_screen_reset.js

@@ -105,18 +105,16 @@ login.createScreen('ResetScreen', 'reset', function() {
       this.context.addObserver(
           CONTEXT_KEY_IS_CONFIRMATIONAL_VIEW, function(is_confirmational) {
             if (is_confirmational) {
-              console.log(self.context.get(CONTEXT_KEY_SCREEN_STATE, 0));
               if (self.context.get(CONTEXT_KEY_SCREEN_STATE, 0) !=
-                  self.RESET_SCREEN_STATE.POWERWASH_PROPOSAL)
+                  self.RESET_SCREEN_STATE.POWERWASH_PROPOSAL) {
                 return;
-              console.log(self);
+              }
               reset.ConfirmResetOverlay.getInstance().initializePage();
               if (!$('reset-confirm-overlay-md').hidden)
-                $('reset-confirm-overlay-md').showModal();
+                $('reset-confirm-overlay-md').open();
             } else {
               $('overlay-reset').setAttribute('hidden', true);
-              if ($('reset-confirm-overlay-md').open)
-                $('reset-confirm-overlay-md').close();
+              $('reset-confirm-overlay-md').close();
             }
           });