[DevTools] Migrate ProfilesPanel to TreeOutlineInShadow.

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 11 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-.heap-snapshot-sidebar-tree-item .icon {
-    content: url(Images/profileIcon.png);
-}
-
-.heap-snapshot-sidebar-tree-item.small .icon {
-    content: url(Images/profileSmallIcon.png);
-}
-
 .heap-snapshot-view {
     overflow: hidden;
 }
 
 .heap-snapshot-view .data-grid {
     border: none;
 }
 
 .heap-snapshot-view .data-grid tr:empty {
     height: 16px;
@@ skipping 142 matching lines @@
     padding: 2px;
 }
 
 .heap-allocation-stack .stack-frame a {
     color: rgb(33%, 33%, 33%);
 }
 
 .no-heap-allocation-stack {
     padding: 5px;
 }