Move Color.*, DashArray and DrawLooper to Source/platform/

Source/platform/graphics/DrawLooper.h

Index: Source/platform/graphics/DrawLooper.h
diff --git a/Source/core/platform/graphics/DrawLooper.h b/Source/platform/graphics/DrawLooper.h
similarity index 97%
rename from Source/core/platform/graphics/DrawLooper.h
rename to Source/platform/graphics/DrawLooper.h
index 97a3b0d4f7b9cb969075f6816825c7597de6c765..4a66910c30029162ca8768a7cc52f49b3dc366f8 100644
--- a/Source/core/platform/graphics/DrawLooper.h
+++ b/Source/platform/graphics/DrawLooper.h
@@ -31,6 +31,7 @@
 #ifndef DrawLooper_h
 #define DrawLooper_h
 
+#include "platform/PlatformExport.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/RefPtr.h"
 
@@ -42,7 +43,7 @@ namespace WebCore {
 class Color;
 class FloatSize;
 
-class DrawLooper {
+class PLATFORM_EXPORT DrawLooper {
     // Implementing the copy constructor properly would require writing code to
     // copy the underlying SkDrawLooper.
     WTF_MAKE_NONCOPYABLE(DrawLooper);