PDF: Tweak font-size and colors to more closely match other MD WebUI

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

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout.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/animations/transform-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-progress/paper-progress.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-toolbar/paper-toolbar.html">
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="../icons.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-toolbar>
       <div id="aligner" class="middle">
         <span id="title" title="{{docTitle}}">
           <span>{{docTitle}}</span>
         </span>
 
         <div id="pageselector-container">
@@ skipping 32 matching lines @@
           </viewer-toolbar-dropdown>
         </div>
       </div>
       <div class="bottom fit">
         <paper-progress id="progress" value="{{loadProgress}}"></paper-progress>
       </div>
     </paper-toolbar>
   </template>
 </dom-module>
 <script src="viewer-pdf-toolbar.js"></script>