MD WebUI: Simplify cr-toolbar CSS

chrome/browser/resources/md_history/history_toolbar.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/cr_elements/icons.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_lazy_render/cr_lazy_render.html">
 <link rel="import" href="chrome://resources/cr_elements/cr_toolbar/cr_toolbar.html">
 <link rel="import" href="chrome://history/browser_service.html">
 <link rel="import" href="chrome://history/icons.html">
 <link rel="import" href="chrome://history/shared_style.html">
 
 <!-- Lazy loaded: iron-dropdown, paper-button, paper-icon-button-light,
@@ skipping 22 matching lines @@
 
       :host([items-selected_]) {
         background: var(--interactive-color);
       }
 
       #toolbar-container {
         height: var(--toolbar-height);
       }
 
       cr-toolbar {
-        --cr-toolbar-field-end-padding: 0;
         --cr-toolbar-field-margin: var(--side-bar-width);
-        --cr-toolbar-right-content-wide: {
-          position: absolute;
-          right: 0;
-        };
-      }
-
-      :host-context([dir=rtl]) cr-toolbar {
-        --cr-toolbar-right-content-wide: {
-          position: absolute;
-          left: 0;
-        };
       }
 
       :host([has-drawer]) cr-toolbar {
         --cr-toolbar-field-margin: 0;
       }
 
-      cr-toolbar .more-actions {
-        -webkit-margin-end: 12px;
-      }
-
       /* Info button and dropdown. */
 
       #info-button {
         /* Additional styles for unresolved <button>. */
         background: none;
         border: none;
         color: inherit;
         height: 32px;
         margin: 6px;
         outline: none;
@@ skipping 190 matching lines @@
               on-tap="onNextTap_"
               disabled="[[isToday_(groupedOffset)]]">
             <iron-icon icon="cr:chevron-right"></iron-icon>
           </button>
         </div>
       </div>
     </template>
   </template>
   <script src="chrome://history/history_toolbar.js"></script>
 </dom-module>