DevTools: Remove stripes from heap snapshot view

Source/devtools/front_end/heapProfiler.css

Index: Source/devtools/front_end/heapProfiler.css
diff --git a/Source/devtools/front_end/heapProfiler.css b/Source/devtools/front_end/heapProfiler.css
index d74ea2d051edc238fc564af0d85f26d285fb555a..80a5f47a9062e709d8e6d1703e69074e1a46fbff 100644
--- a/Source/devtools/front_end/heapProfiler.css
+++ b/Source/devtools/front_end/heapProfiler.css
@@ -75,13 +75,30 @@ body.inactive .heap-snapshot-sidebar-tree-item.wait.selected .icon {
     display: block;
 }
 
+.heap-snapshot-view .data-grid {
+    border: none;
+}
+
+.heap-snapshot-view .data-grid table.data {
+    background-image: none;
+}
+
 .heap-snapshot-view .data-grid tr:empty {
     height: 16px;
     visibility: hidden;
 }
 
-.heap-snapshot-view .data-grid {
-    border: none;
+.heap-snapshot-view .data-grid tr:not(.filler):hover {
+    background-color: rgba(0, 0, 0, 0.05);
+}
+
+.heap-snapshot-view .data-grid tr.selected {
+    background-color: rgba(56, 121, 217, 0.1) !important;
+    color: inherit;
+}
+
+.heap-snapshot-view .data-grid tr.parent.selected td.disclosure::before {
+    background-color: rgb(110, 110, 110);
 }
 
 .heap-snapshot-view .data-grid td.count-column {
@@ -152,14 +169,6 @@ body.inactive .heap-snapshot-sidebar-tree-item.wait.selected .icon {
     color: grey;
 }
 
-.heap-snapshot-view .data-grid tr.selected * {
-    color: inherit;
-}
-
-.heap-snapshot-view .data-grid:focus tr.selected * {
-    color: white;
-}
-
 .heap-snapshot-view .delimiter {
     height: 24px;
     background-color: #d6dde5;