Cleanup namespace usage in platform/graphics/[filters/* to skia/*] and platform/graphics/[B-D]*

Source/platform/graphics/filters/FEComposite.cpp

Index: Source/platform/graphics/filters/FEComposite.cpp
diff --git a/Source/platform/graphics/filters/FEComposite.cpp b/Source/platform/graphics/filters/FEComposite.cpp
index 23e94500c2e6f71f5496384da209981cca52a275..42e869498c9854620ee7b30d6c47c1ddfbcfc253 100644
--- a/Source/platform/graphics/filters/FEComposite.cpp
+++ b/Source/platform/graphics/filters/FEComposite.cpp
@@ -357,18 +357,18 @@ void FEComposite::applySoftware()
     }
 }
 
-SkXfermode::Mode toXfermode(blink::CompositeOperationType mode)
+SkXfermode::Mode toXfermode(CompositeOperationType mode)
 {
     switch (mode) {
-    case blink::FECOMPOSITE_OPERATOR_OVER:
+    case FECOMPOSITE_OPERATOR_OVER:
         return SkXfermode::kSrcOver_Mode;
-    case blink::FECOMPOSITE_OPERATOR_IN:
+    case FECOMPOSITE_OPERATOR_IN:
         return SkXfermode::kSrcIn_Mode;
-    case blink::FECOMPOSITE_OPERATOR_OUT:
+    case FECOMPOSITE_OPERATOR_OUT:
         return SkXfermode::kSrcOut_Mode;
-    case blink::FECOMPOSITE_OPERATOR_ATOP:
+    case FECOMPOSITE_OPERATOR_ATOP:
         return SkXfermode::kSrcATop_Mode;
-    case blink::FECOMPOSITE_OPERATOR_XOR:
+    case FECOMPOSITE_OPERATOR_XOR:
         return SkXfermode::kXor_Mode;
     default:
         ASSERT_NOT_REACHED();