[SVG] Resources should be laid out in dependecy order.

Source/core/rendering/RenderView.cpp

Index: Source/core/rendering/RenderView.cpp
diff --git a/Source/core/rendering/RenderView.cpp b/Source/core/rendering/RenderView.cpp
index c18c9d014b5f3a0fa1b7c34fcda6587871744287..4505621444c8b0fa735adb38f469dd3fcebec7da 100644
--- a/Source/core/rendering/RenderView.cpp
+++ b/Source/core/rendering/RenderView.cpp
@@ -42,6 +42,7 @@
 #include "core/rendering/RenderLayerCompositor.h"
 #include "core/rendering/RenderSelectionInfo.h"
 #include "core/rendering/RenderWidget.h"
+#include "core/svg/SVGElement.h"
 
 namespace WebCore {
 
@@ -273,6 +274,13 @@ void RenderView::layout()
                     || child->style()->logicalMaxHeight().isViewportPercentage()
                     || child->isSVGRoot())
                 layoutScope.setChildNeedsLayout(child);
+
+            // SVG resource containers need to be invalidated outside any particular SVG root layout scope.

[pdr., 2013/09/23 22:26:02]

This comment isn't actually helpful. Can you expand on why?

[f(malita), 2013/09/23 23:20:33]

Didn't want to just duplicate the info in SVGRenderSupport::layoutChildren, but
I guess it should make sense on its own. Will do.

+            if (child->isSVGRoot()) {
+                ASSERT(child->node());
+                ASSERT(child->node()->isSVGElement());
+                toSVGElement(child->node())->invalidateRelativeLengthClients(&layoutScope);
+            }
         }
     }