DevTools: Use TextPrompt for FilterBar instead of input element

third_party/WebKit/Source/devtools/front_end/timeline/timelinePanel.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 577 matching lines @@
 
 .timeline-tree-view .data-grid .selected .background-bar {
     background-color: rgba(255, 255, 255, 0.25);
     border-bottom-color: transparent;
 }
 
 .timeline-tree-view .timeline-details-view-body .full-widget-dimmed-banner {
     background-color: inherit;
 }
 
-.timeline-details #filter-input-field {
+.timeline-details .filter-input-field {
     width: 120px;
 }
 
 .timeline-tree-view .data-grid .header-container {
     height: 21px;
 }
 
 .timeline-tree-view .data-grid .data-container {
     top: 21px;
 }
 
 .timeline-tree-view .data-grid th {
     border-bottom: 1px solid #ddd;
     background-color: #f3f3f3
 }
 
 .timeline-stack-view-header {
     height: 26px;
     background-color: white;
     padding: 6px 10px;
     color: #5a5a5a;
     white-space: nowrap;
 }