Revert 145560 - File manager copy progress indicator made looking like uber tray sync indicator.

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

Index: chrome/browser/resources/file_manager/css/file_manager.css
===================================================================
--- chrome/browser/resources/file_manager/css/file_manager.css	(revision 150299)
+++ chrome/browser/resources/file_manager/css/file_manager.css	(working copy)
@@ -140,34 +140,28 @@
 }
 
 .progress-bar {
-  background-image: -webkit-linear-gradient(top, #e9e9e9 0, #f9f9f9 100%);
-  border: 1px solid #a1a1a1;
-  border-radius: 3px;
+  border: 1px solid #999;
   margin-bottom: 2px;
   margin-top: 3px;
+  padding: 1px;
   width: 320px;
 }
 
 .progress-track {
-  background-color: rgb(76, 86, 106);
-  border: 1px solid black;
-  border-radius: 3px;
-  height: 6px;
-  margin: -1px;
+  -webkit-animation-duration: 800ms;
+  -webkit-animation-iteration-count: infinite;
+  -webkit-animation-name: bg;
+  -webkit-animation-timing-function: linear;
+  background-color: #ccc;
+  background-image: -webkit-linear-gradient(315deg, transparent,
+      transparent 33%, rgba(0, 0, 0, 0.12) 33%, rgba(0, 0, 0, 0.12) 66%,
+      transparent 66%, transparent);
+  background-position: 0 0;
+  background-repeat: repeat-x;
+  background-size: 16px 8px;
+  height: 5px;
 }
 
-.progress-track:before {
-  background-image: -webkit-linear-gradient(top, rgb(89, 103, 128) 0,
-                                                 rgb(76, 86, 106) 100%);
-  border: 1px solid rgb(124, 133, 147);
-  border-bottom-color: rgb(116, 124, 136);
-  border-radius: 3px;
-  border-top-color: rgb(173, 181, 195);
-  content: '';
-  display: block;
-  height: 4px;
-}
-
 @-webkit-keyframes bg {
   0% { background-position: 0 0; }
   100% { background-position: -16px 0; }