Files.app: Remove the ButterBar class.

chrome/browser/resources/file_manager/main.html

Index: chrome/browser/resources/file_manager/main.html
diff --git a/chrome/browser/resources/file_manager/main.html b/chrome/browser/resources/file_manager/main.html
index f8a7c2f9c5853abebccab1826138c5c8212a67d8..f3fcb6ba00e8c96cdb7f9a8a19acbecb27f262bf 100644
--- a/chrome/browser/resources/file_manager/main.html
+++ b/chrome/browser/resources/file_manager/main.html
@@ -92,7 +92,6 @@
       <script src="foreground/js/ui/file_manager_dialog_base.js"></script>
 
       <script src="foreground/js/app_installer.js"></script>
-      <script src="foreground/js/butter_bar.js"></script>
       <script src="foreground/js/cws_container_client.js"></script>
       <script src="foreground/js/directory_contents.js"></script>
       <script src="foreground/js/directory_model.js"></script>
@@ -279,7 +278,6 @@
           <list id="navigation-list" tabindex="14"></list>
         </div>
         <div class="dialog-navigation-list-footer">
-          <!-- This progress center is under development and hidden. -->
           <div id="progress-center" hidden>
             <div id="progress-center-close-view">
               <li>
@@ -294,17 +292,6 @@
             </div>
             <div id="progress-center-open-view"></div>
           </div>
-          <div id="butter-bar-container" hidden>
-            <div id="butter-bar">
-              <div class="content">
-                <div class="butter-message"></div>
-                <div class="progress-bar" hidden>
-                  <div class="progress-track"></div>
-                </div>
-              </div>
-              <div class="actions" hidden></div>
-            </div>
-          </div>
         </div>
       </div>
       <div class="splitter" id="navigation-list-splitter"></div>