[MD settings] merge polymer 1.0.11; hack for settings checkbox

third_party/polymer/v1_0/components-chromium/iron-flex-layout/iron-flex-layout.html

Index: third_party/polymer/v1_0/components-chromium/iron-flex-layout/iron-flex-layout.html
diff --git a/third_party/polymer/v1_0/components-chromium/iron-flex-layout/iron-flex-layout.html b/third_party/polymer/v1_0/components-chromium/iron-flex-layout/iron-flex-layout.html
index ed9cd7bb7b15412865297b4897115925f41e27b0..b7d1f087626047491d5c25d1a7e0b2c8dcc08742 100644
--- a/third_party/polymer/v1_0/components-chromium/iron-flex-layout/iron-flex-layout.html
+++ b/third_party/polymer/v1_0/components-chromium/iron-flex-layout/iron-flex-layout.html
@@ -10,8 +10,14 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
 <link rel="import" href="../polymer/polymer.html">
 
-<style is="custom-style">
+<style>
+  /* IE 10 support for HTML5 hidden attr */
+  [hidden] {
+    display: none !important;
+  }
+</style>
 
+<style is="custom-style">
   :root {
 
     --layout: {
@@ -277,32 +283,29 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
     /* fixed position */
 
-    --layout-fixed-bottom:,
-    --layout-fixed-left:,
-    --layout-fixed-right:,
     --layout-fixed-top: {
       position: fixed;
-    };
-
-    --layout-fixed-top: {
       top: 0;
       left: 0;
       right: 0;
     };
 
     --layout-fixed-right: {
+      position: fixed;
       top: 0;
       right: 0;
       bottom: 0;
     };
 
     --layout-fixed-bottom: {
+      position: fixed;
       right: 0;
       bottom: 0;
       left: 0;
     };
 
     --layout-fixed-left: {
+      position: fixed;
       top: 0;
       bottom: 0;
       left: 0;