MD Settings: Make all HTML import href's relative.

chrome/browser/resources/settings/device_page/device_page.html

 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/md_select_css.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animatable.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
-<link rel="import" href="/device_page/device_page_browser_proxy.html">
-<link rel="import" href="/device_page/display.html">
-<link rel="import" href="/device_page/keyboard.html">
-<link rel="import" href="/device_page/pointers.html">
-<link rel="import" href="/device_page/storage.html">
-<link rel="import" href="/device_page/stylus.html">
-<link rel="import" href="/icons.html">
-<link rel="import" href="/prefs/prefs.html">
-<link rel="import" href="/route.html">
-<link rel="import" href="/settings_page/settings_animated_pages.html">
-<link rel="import" href="/settings_page/settings_subpage.html">
-<link rel="import" href="/settings_shared_css.html">
+<link rel="import" href="device_page_browser_proxy.html">
+<link rel="import" href="display.html">
+<link rel="import" href="keyboard.html">
+<link rel="import" href="pointers.html">
+<link rel="import" href="storage.html">
+<link rel="import" href="stylus.html">
+<link rel="import" href="../icons.html">
+<link rel="import" href="../prefs/prefs.html">
+<link rel="import" href="../route.html">
+<link rel="import" href="../settings_page/settings_animated_pages.html">
+<link rel="import" href="../settings_page/settings_subpage.html">
+<link rel="import" href="../settings_shared_css.html">
 
 <dom-module id="settings-device-page">
   <template>
     <style include="settings-shared md-select"></style>
     <settings-animated-pages id="pages" section="device">
       <neon-animatable id="main" route-path="default">
         <div id="pointersRow" class="settings-box first"
             on-tap="onPointersTap_" actionable>
           <iron-icon icon="[[getPointersIcon_(hasMouse_, hasTouchpad_)]]">
           </iron-icon>
@@ skipping 94 matching lines @@
         <settings-subpage
             associated-control="[[$$('#storageRow')]]"
             page-title="$i18n{storageTitle}">
           <settings-storage></settings-storage>
         </settings-subpage>
       </template>
     </settings-animated-pages>
   </template>
   <script src="device_page.js"></script>
 </dom-module>