ResizeObserver pt4: IDL methods

third_party/WebKit/Source/core/observer/ResizeObserverEntry.cpp

Index: third_party/WebKit/Source/core/observer/ResizeObserverEntry.cpp
diff --git a/third_party/WebKit/Source/core/observer/ResizeObserverEntry.cpp b/third_party/WebKit/Source/core/observer/ResizeObserverEntry.cpp
index e307b8d5e385706b0db70140eec35e6fd9872d6f..8d925bfc41fbe7ec8a5b0bc99c965472197bda6b 100644
--- a/third_party/WebKit/Source/core/observer/ResizeObserverEntry.cpp
+++ b/third_party/WebKit/Source/core/observer/ResizeObserverEntry.cpp
@@ -5,7 +5,6 @@
 #include "core/observer/ResizeObserverEntry.h"
 
 #include "core/dom/ClientRect.h"
-#include "core/dom/DOMRectReadOnly.h"
 #include "core/dom/Element.h"
 #include "core/layout/LayoutBox.h"
 #include "core/observer/ResizeObservation.h"
@@ -17,6 +16,18 @@ class ResizeObservation;
 ResizeObserverEntry::ResizeObserverEntry(Element* target)
     : m_target(target)
 {
+    FloatSize size = FloatSize(ResizeObservation::getTargetSize(m_target));
+    FloatPoint location;
+    LayoutBox* layout = m_target ? m_target->layoutBox() : nullptr;
+    if (layout) {
+        location = FloatPoint(layout->paddingLeft(), layout->paddingTop());
+    }
+    m_contentRect = ClientRect::create(FloatRect(location, size));
+}
+
+LayoutSize ResizeObserverEntry::contentSize() const
+{
+    return LayoutSize(m_contentRect->width(), m_contentRect->height());
 }
 
 DEFINE_TRACE(ResizeObserverEntry)