Devtools: Margin resizer in overlay experiment

Source/core/inspector/InspectorHighlight.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/inspector/InspectorHighlight.h"
 
 #include "core/dom/ClientRect.h"
 #include "core/dom/PseudoElement.h"
 #include "core/frame/FrameView.h"
@@ skipping 247 matching lines @@
     FrameView* containingView = element->document().view();
     if (!layoutObject || !containingView)
         return elementInfo;
 
     // layoutObject the getBoundingClientRect() data in the tooltip
     // to be consistent with the rulers (see http://crbug.com/262338).
     ClientRect* boundingBox = element->getBoundingClientRect();
     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;
 }
 
 } // namespace
 
 InspectorHighlight::InspectorHighlight()
     : m_highlightPaths(JSONArray::create())
     , m_showRulers(false)
     , m_showExtensionLines(false)
 {
@@ skipping 147 matching lines @@
     config.eventTarget = Color(128, 128, 128, 0);
     config.shape = Color(0, 0, 0, 0);
     config.shapeMargin = Color(128, 128, 128, 0);
     config.showInfo = true;
     config.showRulers = true;
     config.showExtensionLines = true;
     return config;
 }
 
 } // namespace blink