Revert IDL compiler build flow to Perl, rename 'deprecated'

Source/bindings/scripts/unstable/v8_types.py

Index: Source/bindings/scripts/unstable/v8_types.py
diff --git a/Source/bindings/scripts/v8_types.py b/Source/bindings/scripts/unstable/v8_types.py
similarity index 94%
rename from Source/bindings/scripts/v8_types.py
rename to Source/bindings/scripts/unstable/v8_types.py
index 2ca0a9e0b1d31a99eda64f2d8a424f15937e4053..041a6d8767f5ae8f8002e7b6d51cd21fd269f6ad 100644
--- a/Source/bindings/scripts/v8_types.py
+++ b/Source/bindings/scripts/unstable/v8_types.py
@@ -26,6 +26,15 @@
 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+"""Functions for type handling and type conversion (Blink/C++ <-> V8/JS).
+
+FIXME: Not currently used in build.
+This is a rewrite of the Perl IDL compiler in Python, but is not complete.
+Once it is complete, we will switch all IDL files over to Python at once.
+Until then, please work on the Perl IDL compiler.
+For details, see bug http://crbug.com/239771
+"""
+
 import re
 
 CPP_TYPE_SAME_AS_IDL_TYPE = set([