MD Settings: Fix Change Picture Camera icons.

chrome/browser/resources/settings/people_page/change_picture.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/util.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-a11y-keys/iron-a11y-keys.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-selector/iron-selector.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button.html">
 <link rel="import" href="/i18n_setup.html">
 <link rel="import" href="/icons.html">
@@ skipping 65 matching lines @@
       }
 
       #discardControlBar {
         background-color: var(--paper-grey-800);
         border-bottom-left-radius: 2px;
         border-bottom-right-radius: 2px;
         padding: 8px;
       }
 
       #discardOldImage {
+        --iron-icon-fill-color: white;
         background-color: var(--paper-red-500);
         border-radius: 50%;
-        color: white;
         display: block;
         margin: 0 auto 0 auto;
       }
     </style>
     <div id="container" class="settings-box" tabindex="0">
       <iron-a11y-keys keys="up down left right space enter"
           on-keys-pressed="onKeysPress_">
       </iron-a11y-keys>
       <div id="availableIcons" class="start">
         <iron-selector id="selector" on-iron-activate="onImageActivate_"
@@ skipping 40 matching lines @@
         </div>
         <settings-camera id="camera"
             camera-active="[[isCameraActive_(cameraPresent_, selectedItem_)]]"
             on-phototaken="onPhotoTaken_">
         </settings-camera>
       </div>
     </div>
   </template>
   <script src="change_picture.js"></script>
 </dom-module>