Remove IDBNotFoundError ExceptionCode

Source/bindings/v8/ExceptionState.h

Index: Source/bindings/v8/ExceptionState.h
diff --git a/Source/core/animation/AnimatableUnknown.h b/Source/bindings/v8/ExceptionState.h
similarity index 53%
copy from Source/core/animation/AnimatableUnknown.h
copy to Source/bindings/v8/ExceptionState.h
index d253478e752935df4677dfdec8a2ad8261f2f1be..b2b88fb861244e39e6f587a31d47f9d75deb3245 100644
--- a/Source/core/animation/AnimatableUnknown.h
+++ b/Source/bindings/v8/ExceptionState.h
@@ -28,46 +28,68 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef AnimatableUnknown_h
-#define AnimatableUnknown_h
+#ifndef ExceptionState_h
+#define ExceptionState_h
 
-#include "core/animation/AnimatableValue.h"
+#include "wtf/Noncopyable.h"
+#include <v8.h>
 
 namespace WebCore {
 
-class AnimatableUnknown : public AnimatableValue {
+typedef int ExceptionCode;
+
+class ExceptionState {
+    WTF_MAKE_NONCOPYABLE(ExceptionState);
 public:
-    virtual ~AnimatableUnknown() { }
+    explicit ExceptionState(v8::Isolate* isolate)
+        : m_code(0)
+        , m_exceptionThrown(false)
+        , m_isolate(isolate) { }
 
-    static PassRefPtr<AnimatableUnknown> create(PassRefPtr<CSSValue> value)
-    {
-        return adoptRef(new AnimatableUnknown(value));
-    }
+    virtual void throwDOMException(const ExceptionCode&,  const char* message = 0);
+    virtual void throwTypeError(const char* message = 0);
 
-    virtual PassRefPtr<CSSValue> toCSSValue() const OVERRIDE { return m_value; }
+    bool hadException() const { return m_exceptionThrown || m_code; }
 
-protected:
-    virtual PassRefPtr<AnimatableValue> interpolateTo(const AnimatableValue* value, double fraction) const OVERRIDE
+    bool throwIfNeeded()
     {
-        return defaultInterpolateTo(this, value, fraction);
+        if (m_code) {
+            throwDOMException(m_code);
+            return true;
+        }
+        return m_exceptionThrown;
     }
 
-    virtual PassRefPtr<AnimatableValue> addWith(const AnimatableValue* value) const OVERRIDE
+    // FIXME: Remove the rest of the public methods/operators once the transition is done.
+    typedef void* ExceptionState::*UnspecifiedBoolType;
+    operator UnspecifiedBoolType*() const
     {
-        return defaultAddWith(this, value);
+        return m_code ? reinterpret_cast<UnspecifiedBoolType*>(1) : 0;
     }
 
-private:
-    explicit AnimatableUnknown(PassRefPtr<CSSValue> value)
-        : AnimatableValue(TypeUnknown)
-        , m_value(value)
+    operator ExceptionCode& () { return m_code; }
+
+    ExceptionState& operator=(const ExceptionCode& ec)
     {
-        ASSERT(m_value);
+        throwDOMException(ec);
+        return *this;
     }
 
-    RefPtr<CSSValue> m_value;
+protected:
+    ExceptionCode m_code;
+
+private:
+    bool m_exceptionThrown;
+    v8::Isolate* m_isolate;
+};
+
+class NonThrowExceptionState : public ExceptionState {
+public:
+    NonThrowExceptionState();
+    virtual void throwDOMException(const ExceptionCode&, const char* = 0) OVERRIDE FINAL;
+    virtual void throwTypeError(const char* = 0) OVERRIDE FINAL;
 };
 
 } // namespace WebCore
 
-#endif // AnimatableUnknown_h
+#endif // ExceptionState_h