DevTools: [Persistence] introduce badged icons instead of checkmarks

third_party/WebKit/Source/devtools/front_end/sources/navigatorTree.css

Index: third_party/WebKit/Source/devtools/front_end/sources/navigatorTree.css
diff --git a/third_party/WebKit/Source/devtools/front_end/sources/navigatorTree.css b/third_party/WebKit/Source/devtools/front_end/sources/navigatorTree.css
index 2dc4815dd952c6e9ad10c7648588309b5d263315..144a2953bc89fb13fa9241ffe9d68783c3756c92 100644
--- a/third_party/WebKit/Source/devtools/front_end/sources/navigatorTree.css
+++ b/third_party/WebKit/Source/devtools/front_end/sources/navigatorTree.css
@@ -27,10 +27,21 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-.icon {
+.icon, .icon-badge {
     margin: -3px -7px -3px -7px;
 }
 
+.icon-stack {
+    position: relative;
+    display: inline-flex;
+}
+
+.icon-stack > [is=ui-icon]:not(:first-child) {
+    position: absolute;
+    left: 0;
+    top: 0;
+}
+
 .navigator-file-tree-item .icon {
     background: linear-gradient(45deg, hsl(0, 0%, 50%), hsl(0, 0%, 70%));
 }