DevTools: Add buttons to add box-shadow and text-shadow properties in SSP

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

Index: third_party/WebKit/Source/devtools/front_end/ui/toolbar.css
diff --git a/third_party/WebKit/Source/devtools/front_end/ui/toolbar.css b/third_party/WebKit/Source/devtools/front_end/ui/toolbar.css
index 0d63330b8422565c33f6f80f6d7c097d49deecd4..e52ea922195004412946b60c7e11bfd50785832f 100644
--- a/third_party/WebKit/Source/devtools/front_end/ui/toolbar.css
+++ b/third_party/WebKit/Source/devtools/front_end/ui/toolbar.css
@@ -433,6 +433,14 @@ input.toolbar-item.hover {
     background-color: rgb(66, 129, 235) !important;
 }
 
+.box-shadow-toolbar-item.toolbar-glyph {
+    -webkit-mask-position: -160px -48px;
+}
+
+.text-shadow-toolbar-item.toolbar-glyph {
+    -webkit-mask-position: -192px -48px;
+}
+
 .background-color-toolbar-item.toolbar-glyph {
     -webkit-mask-position: -96px -144px;
 }