Material PDF: Style audit and cleanup

chrome/browser/resources/pdf/elements/viewer-pdf-toolbar/viewer-pdf-toolbar.html

 <link rel="import" href="chrome://resources/polymer/v1_0/polymer/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/classes/iron-shadow-flex-layout.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/image-icons.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icons/iron-icons.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/slide-down-animation.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/animations/slide-up-animation.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/neon-animation/neon-animation-runner-behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
-<link rel="import" href="chrome://resources/polymer/v1_0/paper-material/paper-material.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-progress/paper-progress.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-toolbar/paper-toolbar.html">
 <link rel="import" href="../viewer-bookmarks-content/viewer-bookmarks-content.html">
 <link rel="import" href="../viewer-page-selector/viewer-page-selector.html">
 <link rel="import" href="../viewer-toolbar-dropdown/viewer-toolbar-dropdown.html">
 
 <dom-module id="viewer-pdf-toolbar">
+  <link rel="import" type="css" href="../shared-icon-style.css">
   <link rel="import" type="css" href="viewer-pdf-toolbar.css">
   <template>
-    <paper-material class="fit"></paper-material>
-
     <paper-progress value="{{loadProgress}}"></paper-progress>
 
     <paper-toolbar>
       <div id="aligner" class="horizontal layout center">
         <span id="title" class="invisible flex-5" title="{{docTitle}}">
           <span>{{docTitle}}</span>
         </span>
 
         <div class="flex-1" id="pageselector-container">
           <viewer-page-selector id="pageselector" class="invisible"
@@ skipping 20 matching lines @@
           <paper-icon-button icon="save"
               on-click="save"></paper-icon-button>
           <paper-icon-button icon="print"
               on-click="print"></paper-icon-button>
         </div>
       </div>
     </paper-toolbar>
   </template>
 </dom-module>
 <script src="viewer-pdf-toolbar.js"></script>