MD-Settings: A11y - Label drop down menus.

chrome/browser/resources/settings/privacy_page/privacy_page.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_dialog/cr_dialog.html">
 <link rel="import" href="chrome://resources/cr_elements/policy/cr_policy_vars_css.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-flex-layout/iron-flex-layout-classes.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-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="../clear_browsing_data_dialog/clear_browsing_data_dialog.html">
@@ skipping 240 matching lines @@
                   "$i18n{siteSettingsAllowRecentlyClosedSitesRecommended}"
               category="{{ContentSettingsTypes.BACKGROUND_SYNC}}">
           </category-default-setting>
           <category-setting-exceptions
               category="{{ContentSettingsTypes.BACKGROUND_SYNC}}">
           </category-setting-exceptions>
         </settings-subpage>
       </template>
       <template is="dom-if" route-path="/content/camera" no-search>
         <settings-subpage page-title="$i18n{siteSettingsCategoryCamera}">
-          <media-picker type="camera"></media-picker>
+          <media-picker label="$i18n{siteSettingsCameraLabel}" type="camera">
+          </media-picker>
           <category-default-setting category="{{ContentSettingsTypes.CAMERA}}"
               toggle-off-label="$i18n{siteSettingsBlocked}"
               toggle-on-label=
                   "$i18n{siteSettingsAskBeforeAccessingRecommended}">
           </category-default-setting>
           <category-setting-exceptions
               category="{{ContentSettingsTypes.CAMERA}}" read-only-list>
           </category-setting-exceptions>
         </settings-subpage>
       </template>
@@ skipping 65 matching lines @@
               toggle-on-label="$i18n{siteSettingsAllowedRecommended}"
               category="{{ContentSettingsTypes.JAVASCRIPT}}">
           </category-default-setting>
           <category-setting-exceptions
               category="{{ContentSettingsTypes.JAVASCRIPT}}">
           </category-setting-exceptions>
         </settings-subpage>
       </template>
       <template is="dom-if" route-path="/content/microphone" no-search>
         <settings-subpage page-title="$i18n{siteSettingsCategoryMicrophone}">
-          <media-picker type="mic"></media-picker>
+          <media-picker label="$i18n{siteSettingsMicrophoneLabel}" type="mic">
+          </media-picker>
           <category-default-setting category="{{ContentSettingsTypes.MIC}}"
               toggle-off-label="$i18n{siteSettingsBlocked}"
               toggle-on-label=
                   "$i18n{siteSettingsAskBeforeAccessingRecommended}">
           </category-default-setting>
           <category-setting-exceptions
               category="{{ContentSettingsTypes.MIC}}" read-only-list>
           </category-setting-exceptions>
         </settings-subpage>
       </template>
@@ skipping 130 matching lines @@
                 category="{{ContentSettingsTypes.PROTECTED_CONTENT}}">
             </category-setting-exceptions>
           </template>
 </if>
         </settings-subpage>
       </template>
     </settings-animated-pages>
   </template>
   <script src="privacy_page.js"></script>
 </dom-module>