Remove m_margins member from FrameView

Source/core/rendering/RenderEmbeddedObject.cpp

Index: Source/core/rendering/RenderEmbeddedObject.cpp
diff --git a/Source/core/rendering/RenderEmbeddedObject.cpp b/Source/core/rendering/RenderEmbeddedObject.cpp
index b72f5f266c967fb389a769380770c1213753f4ea..8e2f8fb86a3a9bc9b11cc188eb3685e0ab59f07e 100644
--- a/Source/core/rendering/RenderEmbeddedObject.cpp
+++ b/Source/core/rendering/RenderEmbeddedObject.cpp
@@ -245,25 +245,6 @@ void RenderEmbeddedObject::layout()
     statePusher.pop();
 }
 
-void RenderEmbeddedObject::viewCleared()
-{
-    // This is required for <object> elements whose contents are rendered by WebCore (e.g. src="foo.html").
-    if (node() && widget() && widget()->isFrameView()) {
-        FrameView* view = toFrameView(widget());
-        int marginWidth = -1;
-        int marginHeight = -1;
-        if (node()->hasTagName(iframeTag)) {
-            HTMLIFrameElement* frame = toHTMLIFrameElement(node());
-            marginWidth = frame->marginWidth();
-            marginHeight = frame->marginHeight();
-        }
-        if (marginWidth != -1)
-            view->setMarginWidth(marginWidth);
-        if (marginHeight != -1)
-            view->setMarginHeight(marginHeight);
-    }
-}
-
 bool RenderEmbeddedObject::scroll(ScrollDirection direction, ScrollGranularity granularity, float)
 {
     return false;