Upgrade to 1.0 and switch clients to dom-repeat where needed.

third_party/polymer/v0_8/components-chromium/paper-checkbox/paper-checkbox.css

Index: third_party/polymer/v0_8/components-chromium/paper-checkbox/paper-checkbox.css
diff --git a/third_party/polymer/v0_8/components-chromium/paper-checkbox/paper-checkbox.css b/third_party/polymer/v0_8/components-chromium/paper-checkbox/paper-checkbox.css
index 9e3dbeeae566ec1e7b60bb3342bf0eba446bd54d..eb203fdc42d12796a8ea808d66fee07589f6ac0c 100644
--- a/third_party/polymer/v0_8/components-chromium/paper-checkbox/paper-checkbox.css
+++ b/third_party/polymer/v0_8/components-chromium/paper-checkbox/paper-checkbox.css
@@ -38,6 +38,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
   width: 48px;
   height: 48px;
   color: var(--paper-checkbox-unchecked-ink-color);
+  opacity: 0.6;
 }
 
 :host #ink[checked] {
@@ -121,6 +122,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
   padding-left: 8px;
   white-space: normal;
   pointer-events: none;
+  color: var(--paper-checkbox-label-color);
 }
 
 #checkboxLabel[hidden] {
@@ -133,10 +135,15 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 }
 
 :host([disabled]) #checkbox {
-  opacity: 0.33;
+  opacity: 0.5;
   border-color: var(--paper-checkbox-unchecked-color);
 }
 
 :host([disabled][checked]) #checkbox {
   background-color: var(--paper-checkbox-unchecked-color);
+  opacity: 0.5;
+}
+
+:host([disabled]) #checkboxLabel  {
+  opacity: 0.65;
 }