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

sky/engine/bindings-dart/common/ExceptionStatePlaceholder.cpp

Index: sky/engine/bindings-dart/common/ExceptionStatePlaceholder.cpp
diff --git a/sky/engine/bindings/core/v8/ExceptionStatePlaceholder.cpp b/sky/engine/bindings-dart/common/ExceptionStatePlaceholder.cpp
similarity index 86%
copy from sky/engine/bindings/core/v8/ExceptionStatePlaceholder.cpp
copy to sky/engine/bindings-dart/common/ExceptionStatePlaceholder.cpp
index cad268893d11ad5decf93d8a352554d891bbe20d..1e8c8059ec827b84c9fa550c54a125efa2a42aab 100644
--- a/sky/engine/bindings/core/v8/ExceptionStatePlaceholder.cpp
+++ b/sky/engine/bindings-dart/common/ExceptionStatePlaceholder.cpp
@@ -28,15 +28,15 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "sky/engine/config.h"
-#include "sky/engine/bindings/core/v8/ExceptionStatePlaceholder.h"
+#include "config.h"
+#include "bindings/common/ExceptionStatePlaceholder.h"
 
 namespace blink {
 
 #if ENABLE(ASSERT)
 
 NoExceptionStateAssertionChecker::NoExceptionStateAssertionChecker(const char* file, int line)
-    : ExceptionState(ExceptionState::UnknownContext, 0, 0, v8::Handle<v8::Object>(), 0)
+    : ExceptionState()
     , m_file(file)
     , m_line(line) { }
 
@@ -55,6 +55,16 @@ void NoExceptionStateAssertionChecker::throwSecurityError(const String&, const S
     ASSERT_AT(false, m_file, m_line, "");
 }
 
+void NoExceptionStateAssertionChecker::throwRangeError(const String&)
+{
+    ASSERT_AT(false, m_file, m_line, "");
+}
+
+void NoExceptionStateAssertionChecker::rethrowV8Exception(v8::Handle<v8::Value> value)
+{
+    ASSERT_AT(false, m_file, m_line, "");
+}
+
 #endif
 
 } // namespace blink