Merge the Sky Engine changes from the SkyDart branch

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

Index: sky/engine/core/html/canvas/WebGLLoseContext.h
diff --git a/sky/engine/core/html/canvas/WebGLLoseContext.h b/sky/engine/core/html/canvas/WebGLLoseContext.h
index c3042d98b1658941c38ba57d69c7ab4c5c14006c..8654eb6afbd6ed1c67f630a1eb47d00b11984534 100644
--- a/sky/engine/core/html/canvas/WebGLLoseContext.h
+++ b/sky/engine/core/html/canvas/WebGLLoseContext.h
@@ -26,7 +26,7 @@
 #ifndef SKY_ENGINE_CORE_HTML_CANVAS_WEBGLLOSECONTEXT_H_
 #define SKY_ENGINE_CORE_HTML_CANVAS_WEBGLLOSECONTEXT_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"
 
@@ -34,7 +34,7 @@ namespace blink {
 
 class WebGLRenderingContextBase;
 
-class WebGLLoseContext final : public WebGLExtension, public ScriptWrappable {
+class WebGLLoseContext final : public WebGLExtension, public DartWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtr<WebGLLoseContext> create(WebGLRenderingContextBase*);