chrome/settings: Shorten string names for accessibility.

chrome/browser/resources/settings/a11y_page/a11y_page.html

 <link rel="import" href="chrome://resources/polymer/v1_0/polymer/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-material/paper-material.html">
 <link rel="import" href="chrome://md-settings/checkbox/checkbox.html">
 
 <dom-module id="cr-settings-a11y-page">
   <link rel="import" type="css"
       href="chrome://md-settings/settings_page/settings_page.css">
   <link rel="import" type="css" href="a11y_page.css">
   <template>
     <paper-material>
       <div class="more-a11y-link">
         <a href="https://chrome.google.com/webstore/category/collection/accessibility"
-            target="_blank" i18n-content="accessibilityMoreFeaturesLink"></a>
+            target="_blank" i18n-content="moreFeaturesLink"></a>
       </div>
 
 <if expr="chromeos">
-      <cr-settings-checkbox
-          pref="{{prefs.settings.a11y.enable_menu}}"
-          i18n-values="label:accessibilityOptionsInMenuLabel">
+      <cr-settings-checkbox i18n-values="label:optionsInMenuLabel"
+          pref="{{prefs.settings.a11y.enable_menu}}">
       </cr-settings-checkbox>
-      <cr-settings-checkbox
-          pref="{{prefs.settings.a11y.large_cursor_enabled}}"
-          i18n-values="label:accessibilityLargeMouseCursorLabel">
+      <cr-settings-checkbox i18n-values="label:largeMouseCursorLabel"
+          pref="{{prefs.settings.a11y.large_cursor_enabled}}">
       </cr-settings-checkbox>
-      <cr-settings-checkbox
-          pref="{{prefs.settings.a11y.high_contrast_enabled}}"
-          i18n-values="label:accessibilityHighContrastLabel">
+      <cr-settings-checkbox i18n-values="label:highContrastLabel"
+          pref="{{prefs.settings.a11y.high_contrast_enabled}}">
       </cr-settings-checkbox>
       <cr-settings-checkbox
           pref="{{prefs.settings.a11y.sticky_keys_enabled}}"
-          i18n-values="label:accessibilityStickyKeysLabel;
-                       subLabel:accessibilityStickyKeysSublabel">
+          i18n-values="label:stickyKeysLabel; subLabel:stickyKeysSublabel">
       </cr-settings-checkbox>
       <cr-settings-checkbox pref="{{prefs.settings.accessibility}}"
-          i18n-values="label:accessibilityChromeVoxLabel;
-                       subLabel:accessibilityChromeVoxSublabel">
+          i18n-values="label:chromeVoxLabel; subLabel:chromeVoxSublabel">
       </cr-settings-checkbox>
-      <cr-settings-checkbox
-          pref="{{prefs.settings.a11y.screen_magnifier}}"
-          i18n-values="label:accessibilityScreenMagnifierLabel">
+      <cr-settings-checkbox i18n-values="label:screenMagnifierLabel"
+          pref="{{prefs.settings.a11y.screen_magnifier}}">
       </cr-settings-checkbox>
-      <cr-settings-checkbox
-          pref="{{prefs.settings.touchpad.enable_tap_dragging}}"
-          i18n-values="label:accessibilityTapDraggingLabel">
+      <cr-settings-checkbox i18n-values="label:tapDraggingLabel"
+          pref="{{prefs.settings.touchpad.enable_tap_dragging}}">
       </cr-settings-checkbox>
-      <cr-settings-checkbox pref="{{prefs.settings.a11y.autoclick}}"
-          i18n-values="label:accessibilityClickOnStopLabel">
+      <cr-settings-checkbox i18n-values="label:clickOnStopLabel"
+          pref="{{prefs.settings.a11y.autoclick}}">
       </cr-settings-checkbox>
 
       <div class="autoclick-delay-label"
           hidden$="{{!prefs.settings.a11y.autoclick}}">
-        <span i18n-content="accessibilityDelayBeforeClickLabel"></span>
+        <span i18n-content="delayBeforeClickLabel"></span>
         <select id="autoclickDropdown"
             value="{{prefs.settings.a11y.autoclick_delay_ms::change}}">
-          <option value="200"
-              i18n-content="accessibilityDelayBeforeClickExtremelyShort">
+          <option value="200" i18n-content="delayBeforeClickExtremelyShort">
           </option>
-          <option value="400"
-              i18n-content="accessibilityDelayBeforeClickVeryShort">
+          <option value="400" i18n-content="delayBeforeClickVeryShort">
           </option>
-          <option value="600"
-              i18n-content="accessibilityDelayBeforeClickShort">
+          <option value="600" i18n-content="delayBeforeClickShort">
           </option>
-          <option value="800"
-              i18n-content="accessibilityDelayBeforeClickLong">
+          <option value="800" i18n-content="delayBeforeClickLong">
           </option>
-          <option value="1000"
-              i18n-content="accessibilityDelayBeforeClickVeryLong">
+          <option value="1000" i18n-content="delayBeforeClickVeryLong">
           </option>
         </select>
       </div>
 
-      <cr-settings-checkbox
-          pref="{{prefs.settings.a11y.virtual_keyboard}}"
-          i18n-values="label:accessibilityOnScreenKeyboardLabel">
+      <cr-settings-checkbox pref="{{prefs.settings.a11y.virtual_keyboard}}"
+          i18n-values="label:OnScreenKeyboardLabel">
       </cr-settings-checkbox>
 </if>
 
     </paper-material>
   </template>
   <script src="a11y_page.js"></script>
 </dom-module>