Move implementation of WebFilterOperations into cc

cc/output/render_surface_filters.h

Index: cc/output/render_surface_filters.h
diff --git a/cc/output/render_surface_filters.h b/cc/output/render_surface_filters.h
index 494204c71ff985d2e381f1c904911ef764e918fb..5ab78dc77e7438ac31abcba184531e2ec98e0054 100644
--- a/cc/output/render_surface_filters.h
+++ b/cc/output/render_surface_filters.h
@@ -16,20 +16,17 @@ namespace gfx {
 class SizeF;
 }
 
-namespace WebKit {
-class WebFilterOperations;
-}
-
 namespace cc {
 
+class FilterOperations;
+
 class CC_EXPORT RenderSurfaceFilters {
  public:
-  static SkBitmap Apply(const WebKit::WebFilterOperations& filters,
+  static SkBitmap Apply(const FilterOperations& filters,
                         unsigned texture_id,
                         gfx::SizeF size,
                         GrContext* gr_context);
-  static WebKit::WebFilterOperations Optimize(
-      const WebKit::WebFilterOperations& filters);
+  static FilterOperations Optimize(const FilterOperations& filters);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(RenderSurfaceFilters);