[MD settings] right align cookies filter and remove all buttons

chrome/browser/resources/settings/site_settings/site_data.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/icons.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/paper-icon-button/paper-icon-button-light.html">
 <link rel="import" href="/settings_page/settings_subpage_search.html">
 <link rel="import" href="/settings_shared_css.html">
 <link rel="import" href="/site_settings/cookie_tree_behavior.html">
 <link rel="import" href="/site_settings/site_data_details_dialog.html">
 <link rel="import" href="/site_settings/site_settings_behavior.html">
 
 <dom-module id="site-data">
   <template>
     <style include="settings-shared">
-      .secondary-button {
-        margin-top: 12px;  /* Align with <h2>. */
+      paper-button#removeButton {
+        -webkit-margin-start: auto;
+      }
+
+      .subtitle-row {
+        margin-top: 9px;  /* With 15px in sub-items == 24px total margin. */
       }
     </style>
-    <div class="settings-box first">
-      <h2 class="start">$i18n{siteSettingsCookieHeader}</h2>
-      <paper-button class="secondary-button"
+    <div class="settings-box first subtitle-row">
+      <div class="start">
+        <div>$i18n{siteSettingsCookieHeader}</div>
+      </div>
+      <settings-subpage-search id="filter" on-search-changed="onSearchChanged_"
+          label="$i18n{siteSettingsCookieSearch}">
+      </settings-subpage-search>
+    </div>
+    <div class="settings-box continuation">
+      <paper-button class="secondary-button" id="removeButton"
           on-tap="onConfirmDeleteMultipleSites_"
           hidden$="[[!isRemoveButtonVisible_(sites, renderedItemCount)]]">
           [[computeRemoveLabel_(filterString_)]]
       </paper-button>
     </div>
-
     <div class="list-frame vertical-list">
-      <settings-subpage-search id="filter" on-search-changed="onSearchChanged_"
-          label="$i18n{siteSettingsCookieSearch}">
-      </settings-subpage-search>
       <template is="dom-repeat" id="list" items="[[sites]]" filter="showItem_"
           rendered-item-count="{{renderedItemCount}}">
         <div class="list-item two-line" on-tap="onSiteTap_" actionable>
           <div class="favicon-image" style$="[[computeSiteIcon(item.site)]]">
           </div>
           <div class="middle">
             [[item.site]]
             <div class="secondary">[[item.localData]]</div>
           </div>
           <button class="subpage-arrow" is="paper-icon-button-light"></button>
@@ skipping 12 matching lines @@
         <paper-button class="action-button" on-tap="onConfirmDelete_">
           $i18n{siteSettingsCookiesClearAll}
         </paper-button>
       </div>
     </dialog>
   </template>
   <script src="cookie_info.js"></script>
   <script src="cookie_tree_node.js"></script>
   <script src="site_data.js"></script>
 </dom-module>