MD Settings: Lazy-load sub-pages.

chrome/browser/resources/settings/settings_page/settings_subheader.html

Index: chrome/browser/resources/settings/settings_page/settings_subheader.html
diff --git a/chrome/browser/resources/settings/settings_page/settings_subheader.html b/chrome/browser/resources/settings/settings_page/settings_subheader.html
deleted file mode 100644
index ad3f437d7c673f95b25f9e29e6883e8862952e8b..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/settings/settings_page/settings_subheader.html
+++ /dev/null
@@ -1,38 +0,0 @@
-<link rel="import" href="chrome://resources/html/polymer.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/iron-icons.html">
-<link rel="import" href="chrome://md-settings/settings_shared_css.html">
-
-<dom-module id="settings-subheader">
-  <template>
-    <style include="settings-shared">
-      :host {
-        display: block;
-        margin: 8px 0 16px 0;
-      }
-
-      :root {
-        --iron-icon-fill-color: var(--settings-nav-grey);
-      }
-
-      paper-icon-button {
-        /* The inner icon is 20px in size. paper-icon-button has 8px padding. */
-        height: 36px;
-        /* Centers the ripple on the icon with appropriate margin on right. */
-        margin: 0 12px 0 -8px;
-        width: 36px;
-      }
-
-      h2 {
-        color: var(--settings-nav-grey);
-        font-size: 107.6923%; /* go to 14px from 13px */
-      }
-    </style>
-    <div class="settings-box first">
-      <paper-icon-button icon="arrow-back" on-tap="onTapBack_">
-      </paper-icon-button>
-      <h2>[[pageTitle]]</h2>
-    </div>
-  </template>
-  <script src="settings_subheader.js"></script>
-</dom-module>