DevTools: added "overlayContents" mode, where DevTools content is placed around and underneath inse…

Source/devtools/front_end/inspectorCommon.css

Index: Source/devtools/front_end/inspectorCommon.css
diff --git a/Source/devtools/front_end/inspectorCommon.css b/Source/devtools/front_end/inspectorCommon.css
index c287be56321f3a5728e0cff4b2271445f641f0fd..b1f2cc1b94e96c0114f2fea210a025927442c5b3 100644
--- a/Source/devtools/front_end/inspectorCommon.css
+++ b/Source/devtools/front_end/inspectorCommon.css
@@ -28,18 +28,18 @@ body.platform-mac {
   font-family: 'Lucida Grande', sans-serif;
 }
 
-body.platform-windows {
-  font-family: 'Segoe UI', Tahoma, sans-serif;
-}
-
-body.dock-to-right:not(.undocked) {
+body.dock-to-right:not(.undocked):not(.overlay-contents) {
     border-left: 1px solid rgb(80, 80, 80);
 }
 
-body.dock-to-right.inactive:not(.undocked) {
+body.dock-to-right.inactive:not(.undocked):not(.overlay-contents) {
     border-left: 1px solid rgb(64%, 64%, 64%);
 }
 
+body.platform-windows {
+  font-family: 'Segoe UI', Tahoma, sans-serif;
+}
+
 * {
     box-sizing: border-box;
 }