Import Dart bindings as of Blink r188698. This merely copies the files over and does not attach any…

sky/engine/bindings-dart/core/dart/DartExceptionState.h

Index: sky/engine/bindings-dart/core/dart/DartExceptionState.h
diff --git a/sky/engine/core/css/CSSToLengthConversionData.h b/sky/engine/bindings-dart/core/dart/DartExceptionState.h
similarity index 57%
copy from sky/engine/core/css/CSSToLengthConversionData.h
copy to sky/engine/bindings-dart/core/dart/DartExceptionState.h
index 2e52af6209a76f4449418d22531c22b33273cb73..a197aec543ecd7042d00f1e973d5b0fb80a9a1ee 100644
--- a/sky/engine/core/css/CSSToLengthConversionData.h
+++ b/sky/engine/bindings-dart/core/dart/DartExceptionState.h
@@ -28,39 +28,43 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef SKY_ENGINE_CORE_CSS_CSSTOLENGTHCONVERSIONDATA_H_
-#define SKY_ENGINE_CORE_CSS_CSSTOLENGTHCONVERSIONDATA_H_
+#ifndef DartExceptionState_h
+#define DartExceptionState_h
 
-#include "sky/engine/wtf/Assertions.h"
-#include "sky/engine/wtf/Noncopyable.h"
+#include "bindings/common/ExceptionState.h"
+#include <dart_api.h>
 
 namespace blink {
 
-class RenderStyle;
-class RenderView;
-
-class CSSToLengthConversionData {
+class DartExceptionState : public ExceptionState {
+    WTF_MAKE_NONCOPYABLE(DartExceptionState);
 public:
-    CSSToLengthConversionData(const RenderStyle* currStyle, const RenderView*, bool computingFontSize = false);
+    DartExceptionState() : ExceptionState(), m_exception(0) { }
 
-    const RenderStyle& style() const { return *m_style; }
-    bool computingFontSize() const { return m_computingFontSize; }
+    ~DartExceptionState()
+    {
+        ASSERT(!m_exception);
+        clearException();
+    }
 
-    // Accessing these marks the style as having viewport units
-    double viewportWidthPercent() const;
-    double viewportHeightPercent() const;
-    double viewportMinPercent() const;
-    double viewportMaxPercent() const;
+    virtual void throwDOMException(const ExceptionCode&,  const String& message = String());
+    virtual void throwTypeError(const String& message = String());
+    virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String());
+    virtual void rethrowV8Exception(v8::Handle<v8::Value> value);
+    virtual void clearException();
+    virtual void throwException();
+    virtual void throwRangeError(const String& message = String()) OVERRIDE;
+    virtual ScriptPromise reject(ScriptState*) OVERRIDE FINAL;
 
-    void setStyle(const RenderStyle* style) { m_style = style; }
+    Dart_Handle toDart(Dart_NativeArguments args, bool autoDartScope = false);
 
 private:
-    const RenderStyle* m_style;
-    float m_viewportWidth;
-    float m_viewportHeight;
-    bool m_computingFontSize;
+    void throwDartCoreError(const String& className, const String& message, const ExceptionCode& ec);
+    void setException(const ExceptionCode&, const String& message = String());
+
+    Dart_PersistentHandle m_exception;
 };
 
 } // namespace blink
 
-#endif  // SKY_ENGINE_CORE_CSS_CSSTOLENGTHCONVERSIONDATA_H_
+#endif // DartExceptionState_h