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

Source/platform/graphics/filters/FESpecularLighting.h

Index: Source/platform/graphics/filters/FESpecularLighting.h
diff --git a/Source/core/platform/graphics/filters/FESpecularLighting.h b/Source/platform/graphics/filters/FESpecularLighting.h
similarity index 94%
rename from Source/core/platform/graphics/filters/FESpecularLighting.h
rename to Source/platform/graphics/filters/FESpecularLighting.h
index 617366ffb09b8679cbf99bd093052d7c43370941..fd33b0c086be12a01c66360d281e525a6ab828af 100644
--- a/Source/core/platform/graphics/filters/FESpecularLighting.h
+++ b/Source/platform/graphics/filters/FESpecularLighting.h
@@ -23,11 +23,11 @@
 #ifndef FESpecularLighting_h
 #define FESpecularLighting_h
 
-#include "core/platform/graphics/filters/FELighting.h"
+#include "platform/graphics/filters/FELighting.h"
 
 namespace WebCore {
 
-class FESpecularLighting : public FELighting {
+class PLATFORM_EXPORT FESpecularLighting : public FELighting {
 public:
     static PassRefPtr<FESpecularLighting> create(Filter*, const Color&, float, float,
         float, float, float, PassRefPtr<LightSource>);