Devtools: Margin resizer in overlay experiment

Source/core/inspector/InspectorHighlight.cpp

Index: Source/core/inspector/InspectorHighlight.cpp
diff --git a/Source/core/inspector/InspectorHighlight.cpp b/Source/core/inspector/InspectorHighlight.cpp
index 141ce470697d2a65a340439fa60941bda7eee5a5..1062eec741884504fa2ca4ae1aab4f1c80d5bc17 100644
--- a/Source/core/inspector/InspectorHighlight.cpp
+++ b/Source/core/inspector/InspectorHighlight.cpp
@@ -265,6 +265,20 @@ PassRefPtr<JSONObject> buildElementInfo(Element* element)
     elementInfo->setString("nodeWidth", String::number(boundingBox->width()));
     elementInfo->setString("nodeHeight", String::number(boundingBox->height()));
 
+    if (layoutObject->isBox()) {
+        LayoutBox* layoutBox = toLayoutBox(layoutObject);
+        int marginLeft = (layoutBox->marginLeft().toInt());
+        printf("bbb1 %d\n", marginLeft);
+        elementInfo->setString("marginLeft", String::number(marginLeft));
+
+    } else {
+        LayoutInline* layoutInline = toLayoutInline(layoutObject);
+        int marginLeft = (layoutInline->marginLeft().toInt());
+        printf("bbb %d\n", marginLeft);
+        elementInfo->setString("marginLeft", String::number(marginLeft));
+    }
+
+
     return elementInfo;
 }