Fix wrapping window decoration buttons in the Files.app's new UI.

chrome/browser/resources/file_manager/css/file_manager.css

 /* Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file. */
 
 html {
   height: 100%;
 }
 
 html.col-resize * {
   cursor: col-resize !important;
@@ skipping 515 matching lines @@
   margin-top: 7px;
 }
 
 body[new-ui] .dialog-header {
   -webkit-app-region: drag;
   -webkit-margin-end: 10px;
   -webkit-margin-start: 10px;
   height: 45px;
 }
 
+body[new-ui] .search-box-wrapper {
+  -webkit-box-flex: 1;
+  display: -webkit-box;
+}
+
+body[new-ui] .decoration-buttons-wrapper {
+  -webkit-box-flex: 0;
+  -webkit-box-pack: end;
+  display: -webkit-box;
+}
+
 body[new-ui] .dialog-header #search-box,
 body[new-ui] .dialog-header #autocomplete-list,
 body[new-ui] .dialog-header .buttonbar button {
   -webkit-app-region: no-drag;
 }
 
 body[new-ui] .dialog-header #gear-button {
   background-image: -webkit-image-set(
     url('../images/files/ui/new-ui/topbar_button_settings.png') 1x,
     url('../images/files/ui/new-ui/2x/topbar_button_settings.png') 2x);
@@ skipping 216 matching lines @@
   background-repeat: no-repeat;
   color: #333;
   display: -webkit-box;
   height: 29px;
   line-height: 27px;
   margin-right: 10px;
   padding: 1px 6px 2px 23px;
   width: 150px;
 }
 
+#search-box[hidden] {
+  display: none;  // Required, since overriden by #search-box.

[yoshiki, 2013/05/13 05:37:00]

CSS doesn't support //-style comment. Please use /* blah */ style instead.

+}
+
 body[new-ui] #search-box {
+  -webkit-transition: max-width 200ms;
   background: -webkit-image-set(
     url('../images/files/ui/new-ui/search_icon_active.png') 1x,
     url('../images/files/ui/new-ui/2x/search_icon_active.png') 2x);
   background-position: center left;
   background-repeat: no-repeat;
   border-color: white;
   line-height: 1em;
+  max-width: 150px;
   padding: 0 0 0 30px;
+  width: 100%;
 }
 
 #search-box:hover {
   border: 1px solid #b9b9b9;
   border-top: 1px solid #a0a0a0;
   box-shadow: inset 0 1px 2px rgba(0,0,0,0.1);
 }
 
 body[new-ui] #search-box:hover {
   border-color: white;
 }
 
 #search-box:focus,
 body[new-ui] #search-box:focus {
   border: 1px solid rgb(77, 144, 254);
   box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
+  max-width: 240px;
   outline: none;
-  width: 240px;
+  width: 100%;
 }
 
 #search-box::-webkit-search-cancel-button {
   -webkit-appearance: none;
   background-image: -webkit-image-set(
     url('../images/files/ui/search_clear.png') 1x,
     url('../images/files/ui/2x/search_clear.png') 2x);
   height: 16px;
   width: 16px;
 }
@@ skipping 1396 matching lines @@
 
 body[new-ui] #iframe-drag-area {
   -webkit-app-region: drag;
   height: 45px;
   left: 64px;
   position: absolute;
   right: 0;
   top: 0;
   z-index: 101;
 }