[DevTools] Expose left and right toolbar in TabbedPane.

third_party/WebKit/Source/devtools/front_end/profiler/heapProfiler.css

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 80 matching lines @@
     padding-top: 3px;
     vertical-align: middle;
     margin-left: 4px;
     margin-right: 8px;
 }
 
 .heap-snapshot-view .heap-snapshot-view-resizer * {
     pointer-events: none;
 }
 
-.heap-snapshot-view .heap-object-details-header {
-    background-color: #eee;
-}
-
 .heap-snapshot-view tr:not(.selected) td.object-column span.highlight {
     background-color: rgb(255, 255, 200);
 }
 
 .heap-snapshot-view td.object-column span.grayed {
     color: gray;
 }
 
 .cycled-ancessor-node {
     opacity: 0.6;
@@ skipping 69 matching lines @@
     padding: 2px;
 }
 
 .heap-allocation-stack .stack-frame a {
     color: rgb(33%, 33%, 33%);
 }
 
 .no-heap-allocation-stack {
     padding: 5px;
 }