Move all filters-related files from core/platform to platform.

Source/platform/graphics/filters/FELighting.h

Index: Source/platform/graphics/filters/FELighting.h
diff --git a/Source/core/platform/graphics/filters/FELighting.h b/Source/platform/graphics/filters/FELighting.h
similarity index 96%
rename from Source/core/platform/graphics/filters/FELighting.h
rename to Source/platform/graphics/filters/FELighting.h
index 81c7db54238ac9dea11a7b52a6ae8fd0cccd3f8c..32fdc122005e10183ec1d2651706d8ab949da169 100644
--- a/Source/core/platform/graphics/filters/FELighting.h
+++ b/Source/platform/graphics/filters/FELighting.h
@@ -28,12 +28,12 @@
 #ifndef FELighting_h
 #define FELighting_h
 
-#include "core/platform/graphics/filters/PointLightSource.h"
-#include "core/platform/graphics/filters/SpotLightSource.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/filters/Filter.h"
 #include "platform/graphics/filters/FilterEffect.h"
 #include "platform/graphics/filters/LightSource.h"
+#include "platform/graphics/filters/PointLightSource.h"
+#include "platform/graphics/filters/SpotLightSource.h"
 #include "wtf/Uint8ClampedArray.h"
 
 // Common base class for FEDiffuseLighting and FESpecularLighting
@@ -42,7 +42,7 @@ namespace WebCore {
 
 struct FELightingPaintingDataForNeon;
 
-class FELighting : public FilterEffect {
+class PLATFORM_EXPORT FELighting : public FilterEffect {
 public:
     virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) OVERRIDE;