Make the search button hidden again

web/viewer.html

@@ -88,7 +88,7 @@ limitations under the License.
           <button id="viewOutline" class="toolbarButton group" title="Show Document Outline" tabindex="2" data-l10n-id="outline">
              <span data-l10n-id="outline_label">Document Outline</span>
           </button>
-          <button id="viewSearch" class="toolbarButton group" title="Search Document" tabindex="3" data-l10n-id="search_panel">
+          <button id="viewSearch" class="toolbarButton group hidden" title="Search Document" tabindex="3" data-l10n-id="search_panel">
              <span data-l10n-id="search_panel_label">Search Document</span>
           </button>
         </div>