Implement md-settings network lists.

chrome/browser/resources/settings/internet_page/network_summary_item_style.html

Index: chrome/browser/resources/settings/internet_page/network_summary_item_style.html
diff --git a/chrome/browser/resources/settings/internet_page/network_summary_item_style.html b/chrome/browser/resources/settings/internet_page/network_summary_item_style.html
new file mode 100644
index 0000000000000000000000000000000000000000..5234166f2d3a6cd5da86c48cef89fceca42459bb
--- /dev/null
+++ b/chrome/browser/resources/settings/internet_page/network_summary_item_style.html
@@ -0,0 +1,32 @@
+<link rel="import" href="chrome://resources/polymer/polymer/polymer.html">
+<link rel="import" href="chrome://resources/polymer/core-style/core-style.html">
+
+<core-style id="networkSummaryStyle">
+
+#details.selectable:hover {
+  background-color: lightgrey;
+}
+
+#detailsItem {
+  flex: 1 1 auto;

[Jeremy Klein, 2015/04/23 18:21:15]

Isn't this equivalent to flex: 1? You can also just add a "flex" attribute to
the detailsItem element.

[stevenjb, 2015/04/24 01:25:26]

Done.

+  margin-bottom: 10px;
+}
+
+#buttons {
+  align-items: center;
+}
+
+.invisible {
+  visibility: hidden;
+}
+
+#enableButton {
+  margin: 0px 10px;
+}
+
+#networkList {
+  max-height: 400px;
+  margin: 0px 70px 10px 40px;
+}
+
+</core-style>