MD WebUI: Move some settings CSS to shared_style_css

ui/webui/resources/cr_elements/network/cr_network_list_item_css.html

Index: ui/webui/resources/cr_elements/network/cr_network_list_item_css.html
diff --git a/ui/webui/resources/cr_elements/network/cr_network_list_item_css.html b/ui/webui/resources/cr_elements/network/cr_network_list_item_css.html
index ff78d31b319b55f418c2891bee5acced82c3ab03..a836324c125aab7afc33c24cccb92c48133c6fc5 100644
--- a/ui/webui/resources/cr_elements/network/cr_network_list_item_css.html
+++ b/ui/webui/resources/cr_elements/network/cr_network_list_item_css.html
@@ -1,15 +1,13 @@
+<link rel="import" href="chrome://resources/cr_elements/shared_style_css.html">
+
 <!-- Common styles <cr-network-list/> items. -->
 <dom-module id="cr-network-list-item-css">
   <template>
-    <style>
+    <style include="cr-shared-style">
       :host {
         display: inline-block;
       }
 
-      span {
-        cursor: pointer;
-      }
-
       #divOuter {
         border-style: none;
         display: flex;
@@ -18,8 +16,12 @@
         padding: 4px;
       }
 
-      #divOuter[hoverable]:hover {
-        background-color: lightgrey;
+      [hoverable] {
+        @apply(--cr-actionable);
+      }
+
+      [hoverable]:hover {

[Dan Beam, 2016/07/21 00:08:46]

we recently (yesterday) got the guidance to drop :hover

please don't add more

[Dan Beam, 2016/07/21 00:33:22]

https://bugs.chromium.org/p/chromium/issues/detail?id=610630#c14

[stevenjb, 2016/07/21 15:46:32]

Is there a tracking issue for changing that in Settings? The network menu will
be badly broken without hover effects so we need to allocate some time to change
it (i.e. not here, this is just making the color consistent).

[Dan Beam, 2016/07/21 18:04:16]

https://bugs.chromium.org/p/chromium/issues/detail?id=630067

+        background-color: var(--cr-focused-item-color);
       }
 
       #divIcon {