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

Source/platform/graphics/filters/FEComposite.h

Index: Source/platform/graphics/filters/FEComposite.h
diff --git a/Source/core/platform/graphics/filters/FEComposite.h b/Source/platform/graphics/filters/FEComposite.h
similarity index 98%
rename from Source/core/platform/graphics/filters/FEComposite.h
rename to Source/platform/graphics/filters/FEComposite.h
index be73fd2b1e1cd564c5e2ebca2db780241d811c30..afe24b7c07ec634937432f4fb0247eda3c32faaa 100644
--- a/Source/core/platform/graphics/filters/FEComposite.h
+++ b/Source/platform/graphics/filters/FEComposite.h
@@ -23,9 +23,8 @@
 #ifndef FEComposite_h
 #define FEComposite_h
 
-#include "platform/graphics/filters/FilterEffect.h"
-
 #include "platform/graphics/filters/Filter.h"
+#include "platform/graphics/filters/FilterEffect.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
@@ -40,7 +39,7 @@ enum CompositeOperationType {
     FECOMPOSITE_OPERATOR_ARITHMETIC = 6
 };
 
-class FEComposite : public FilterEffect {
+class PLATFORM_EXPORT FEComposite : public FilterEffect {
 public:
     static PassRefPtr<FEComposite> create(Filter*, const CompositeOperationType&, float, float, float, float);