Refactor SkiaImageFilterBuilder into a namespace.

third_party/WebKit/Source/platform/graphics/filters/SkiaImageFilterBuilder.h

Index: third_party/WebKit/Source/platform/graphics/filters/SkiaImageFilterBuilder.h
diff --git a/third_party/WebKit/Source/platform/graphics/filters/SkiaImageFilterBuilder.h b/third_party/WebKit/Source/platform/graphics/filters/SkiaImageFilterBuilder.h
index f8e15440ea0e0138379de7570470d1decbd30e05..def22c455f92e2e32ade0c51f374593440c5eed0 100644
--- a/third_party/WebKit/Source/platform/graphics/filters/SkiaImageFilterBuilder.h
+++ b/third_party/WebKit/Source/platform/graphics/filters/SkiaImageFilterBuilder.h
@@ -27,11 +27,8 @@
 #define SkiaImageFilterBuilder_h
 
 #include "platform/PlatformExport.h"
-#include "platform/geometry/FloatSize.h"
 #include "platform/graphics/ColorSpace.h"
-#include "platform/graphics/CompositorFilterOperations.h"
-#include "platform/graphics/GraphicsTypes.h"
-#include "platform/heap/Handle.h"
+#include "third_party/skia/include/core/SkRefCnt.h"
 
 class SkImageFilter;
 
@@ -39,25 +36,23 @@ namespace blink {
 
 class AffineTransform;
 class BoxReflection;
+class CompositorFilterOperations;
 class FilterEffect;
 class FilterOperations;
 class Image;
 
-class PLATFORM_EXPORT SkiaImageFilterBuilder {
-    STACK_ALLOCATED();
-public:
-    ~SkiaImageFilterBuilder();
+namespace SkiaImageFilterBuilder {
 
-    sk_sp<SkImageFilter> build(FilterEffect*, ColorSpace, bool requiresPMColorValidation = true);
-    void buildFilterOperations(const FilterOperations&, CompositorFilterOperations*);
-    sk_sp<SkImageFilter> buildTransform(const AffineTransform&, sk_sp<SkImageFilter> input);
+PLATFORM_EXPORT sk_sp<SkImageFilter> build(FilterEffect*, ColorSpace, bool requiresPMColorValidation = true);
+PLATFORM_EXPORT void buildFilterOperations(const FilterOperations&, CompositorFilterOperations*);
+PLATFORM_EXPORT sk_sp<SkImageFilter> buildTransform(const AffineTransform&, sk_sp<SkImageFilter> input);
 
-    sk_sp<SkImageFilter> transformColorSpace(
-        sk_sp<SkImageFilter> input, ColorSpace srcColorSpace, ColorSpace dstColorSpace);
+PLATFORM_EXPORT sk_sp<SkImageFilter> transformColorSpace(
+    sk_sp<SkImageFilter> input, ColorSpace srcColorSpace, ColorSpace dstColorSpace);
 
-    sk_sp<SkImageFilter> buildBoxReflectFilter(const BoxReflection&, sk_sp<SkImageFilter> input);
-};
+PLATFORM_EXPORT sk_sp<SkImageFilter> buildBoxReflectFilter(const BoxReflection&, sk_sp<SkImageFilter> input);
 
+} // namespace SkiaImageFilterBuilder
 } // namespace blink
 
 #endif