Support more V8 error types in V8ThrowException

This CL is a preparation for supporting more V8 error types in Blink-in-JS.

- Support Error, SyntaxError and ReferenceError in V8ThrowException.

- Move the error type enum from V8ThrowException.h to ExceptionCode.h.

- Remove unnecessary helper methods in V8Binding.h.

- Rename V8ThrowException::throwError to V8ThrowException::throwException.

BUG=341031

Review URL: https://codereview.chromium.org/436193002

git-svn-id: svn://svn.chromium.org/blink/trunk@179469 bbb929c8-8fbe-4397-9dbb-9b2b20218538