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

Source/core/rendering/svg/RenderSVGResourceMarker.cpp

Index: Source/core/rendering/svg/RenderSVGResourceMarker.cpp
diff --git a/Source/core/rendering/svg/RenderSVGResourceMarker.cpp b/Source/core/rendering/svg/RenderSVGResourceMarker.cpp
index 4b5652280b96b76445f77b20fb20475a71a828d5..4d22a922f76228acc3916a4016dfa6ea80e19b35 100644
--- a/Source/core/rendering/svg/RenderSVGResourceMarker.cpp
+++ b/Source/core/rendering/svg/RenderSVGResourceMarker.cpp
@@ -25,11 +25,12 @@
 
 #include "core/platform/graphics/GraphicsContextStateSaver.h"
 #include "core/rendering/svg/RenderSVGContainer.h"
-#include "core/rendering/svg/RenderSVGRoot.h"
 #include "core/rendering/svg/SVGRenderSupport.h"
 #include "core/svg/SVGElement.h"
 #include "core/svg/SVGMarkerElement.h"
 
+#include "wtf/TemporaryChange.h"
+
 namespace WebCore {
 
 RenderSVGResourceType RenderSVGResourceMarker::s_resourceType = MarkerResourceType;
@@ -45,9 +46,14 @@ RenderSVGResourceMarker::~RenderSVGResourceMarker()
 
 void RenderSVGResourceMarker::layout()
 {
+    if (!needsLayout() || m_isInLayout)

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

Ditto on asserts

+        return;
+
+    TemporaryChange<bool> inLayoutChange(m_isInLayout, true);
+
     // Invalidate all resources if our layout changed.
     if (everHadLayout() && selfNeedsLayout())
-        RenderSVGRoot::addResourceForClientInvalidation(this);
+        removeAllClientsFromCache();
 
     // RenderSVGHiddenContainer overwrites layout(). We need the
     // layouting of RenderSVGContainer for calculating  local