Convert cr-settings-ui to Polymer 0.8

chrome/browser/resources/settings/settings_ui/settings_ui.css

Index: chrome/browser/resources/settings/settings_ui/settings_ui.css
diff --git a/ui/webui/resources/cr_elements/cr_collapse/cr_collapse.css b/chrome/browser/resources/settings/settings_ui/settings_ui.css
similarity index 55%
copy from ui/webui/resources/cr_elements/cr_collapse/cr_collapse.css
copy to chrome/browser/resources/settings/settings_ui/settings_ui.css
index 2585b3faf0ecda54cec882da4049426665ac8122..24c7646cf4fdd1a375fc23833a95225010e44bff 100644
--- a/ui/webui/resources/cr_elements/cr_collapse/cr_collapse.css
+++ b/chrome/browser/resources/settings/settings_ui/settings_ui.css
@@ -3,9 +3,13 @@
  * found in the LICENSE file. */
 
 :host {
+  -webkit-user-select: none;
+  background-color: rgb(219, 222, 224);
   display: block;
+  font-family: Roboto;
+  height: 100%;
 }
 
-:host(.cr-collapse-closed) {
-  display: none;
+cr-settings-main paper-icon-button {
+  z-index: 10;
 }