Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/html/canvas/EXTBlendMinMax.h

Index: sky/engine/core/html/canvas/EXTBlendMinMax.h
diff --git a/sky/engine/core/html/canvas/EXTBlendMinMax.h b/sky/engine/core/html/canvas/EXTBlendMinMax.h
index 65cf345407dc3b0d9247370d02cadc032aac8785..54057bb62e50a4613132d0207d39b1ceb65c691c 100644
--- a/sky/engine/core/html/canvas/EXTBlendMinMax.h
+++ b/sky/engine/core/html/canvas/EXTBlendMinMax.h
@@ -5,13 +5,13 @@
 #ifndef SKY_ENGINE_CORE_HTML_CANVAS_EXTBLENDMINMAX_H_
 #define SKY_ENGINE_CORE_HTML_CANVAS_EXTBLENDMINMAX_H_
 
-#include "sky/engine/bindings/core/v8/ScriptWrappable.h"
+#include "sky/engine/tonic/dart_wrappable.h"
 #include "sky/engine/core/html/canvas/WebGLExtension.h"
 #include "sky/engine/wtf/PassRefPtr.h"
 
 namespace blink {
 
-class EXTBlendMinMax final : public WebGLExtension, public ScriptWrappable {
+class EXTBlendMinMax final : public WebGLExtension, public DartWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtr<EXTBlendMinMax> create(WebGLRenderingContextBase*);