[MD settings] move root css vars; increase checkbox and h2 row-height

chrome/browser/resources/settings/settings_shared_css.html

+<link rel="import" href="/settings_root_css.html">
+
 <!-- Common styles for Material Design settings. -->
 <dom-module id="settings-shared">
   <template>
     <style>
-      :root {
-        --checkbox-margin-start: 2px;
-        --checkbox-size: 16px;
-        --checkbox-spacing: 18px;
-        --iron-icon-fill-color: var(--paper-grey-600);
-        --iron-icon-height: 20px;
-        --iron-icon-spacing: 16px;
-        --iron-icon-width: 20px;
-        --paper-checkbox-label-color: inherit;
-        --paper-dialog-color: inherit;
-        --paper-icon-button: {
-          width: 36px;
-          height: 36px;
-        };
-        --paper-input-max-width: 264px;
-        --paper-item: {
-          font-size: inherit;
-        };
-        --paper-radio-button-label-color: inherit;
-        --paper-radio-group-item-padding: 0;
-
-        /* Custom grey for Alan (bettes@). */
-        --settings-background-color: rgb(241, 241, 241);
-        --settings-secondary: {
-          color: var(--paper-grey-600);
-          font-weight: 400;
-          margin-top: 4px;
-        };
-        --settings-error-color: var(--paper-red-700);
-        --settings-hover-color: var(--google-grey-300);
-
-        /* Some colors use non-MD colors.  These custom colors are specified by
-         * UX design (bettes@). */
-        --settings-nav-grey: rgb(90, 90, 90);
-
-        --settings-row-min-height: 44px;
-        --settings-separator-line: 1px solid rgba(0, 0, 0, 0.06);
-
-        --settings-title-bar-background-color: var(--google-blue-700);
-        --settings-title-bar-color: rgb(255, 255, 255);
-        --settings-title-search-color: rgb(192, 199, 205);
-      }
-
       h2 {
         @apply(--layout-center);
         display: flex;
         font-size: 100%;
         font-weight: 500;
         margin: 0;
         min-height: var(--settings-row-min-height);
       }
 
       iron-icon[icon='cr:check'],
@@ skipping 67 matching lines @@
         -webkit-margin-start: var(--checkbox-margin-start);
       }
 
       paper-radio-button {
         @apply(--layout-center);
         --paper-radio-button-checked-color: var(--google-blue-500);
         --paper-radio-button-label-spacing: 18px;
         --paper-radio-button-unchecked-color: var(--paper-grey-600);
         -webkit-margin-start: 2px;
         display: flex;
-        min-height: 40px;
+        min-height: var(--settings-row-min-height);
       }
 
       paper-radio-group {
         width: 100%;
       }
 
       .text-elide {
         overflow: hidden;
         text-overflow: ellipsis;
         white-space: nowrap;
@@ skipping 150 matching lines @@
 
       .favicon-image {
         background-repeat: no-repeat;
         background-size: contain;
         height: 16px;
         width: 16px;
       }
     </style>
   </template>
 </dom-module>