Making GraphicsContext the owner of PlatformContext.

Source/core/platform/graphics/filters/FEMorphology.cpp

Index: Source/core/platform/graphics/filters/FEMorphology.cpp
diff --git a/Source/core/platform/graphics/filters/FEMorphology.cpp b/Source/core/platform/graphics/filters/FEMorphology.cpp
index 3b76888c1b405af0c82d9d341f91297e6ecf787f..059082c5c7fc3a635a6869e9cf3e13fe83691d0c 100644
--- a/Source/core/platform/graphics/filters/FEMorphology.cpp
+++ b/Source/core/platform/graphics/filters/FEMorphology.cpp
@@ -27,6 +27,9 @@
 #include "core/platform/graphics/filters/FEMorphology.h"
 
 #include "core/platform/graphics/filters/Filter.h"
+#include "core/platform/graphics/filters/SkiaImageFilterBuilder.h"
+#include "core/platform/graphics/skia/PlatformContextSkia.h"
+
 #include "core/platform/text/TextStream.h"
 #include "core/rendering/RenderTreeAsText.h"
 
@@ -35,7 +38,6 @@
 #include <wtf/Vector.h>
 
 #include "SkMorphologyImageFilter.h"
-#include "core/platform/graphics/filters/SkiaImageFilterBuilder.h"
 
 using std::min;
 using std::max;