DevTools: convert a few more icons to UI.Icon.

third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css

Index: third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css b/third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css
index 46c5ad6296a06abcf9dca775ab773aeb8cd432f6..cedc661e43f7ac95a8d4699cf0022870c4a2c57a 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css
+++ b/third_party/WebKit/Source/devtools/front_end/ui/inspectorCommon.css
@@ -337,6 +337,11 @@ label[is=dt-icon-label] {
     -webkit-mask-size: 190px 30px;
 }
 
+.spritesheet-largeicons {
+    background-image: -webkit-image-set(url(Images/toolbarButtonGlyphs.png) 1x, url(Images/toolbarButtonGlyphs_2x.png) 2x);
+    background-size: 352px 168px;
+}
+
 .spritesheet-largeicons.icon-mask {
     -webkit-mask-image: -webkit-image-set(url(Images/toolbarButtonGlyphs.png) 1x, url(Images/toolbarButtonGlyphs_2x.png) 2x);
     -webkit-mask-size: 352px 168px;