Mojo: add support for {double,float}.{INFINITY,NEGATIVE_INFINITY,NAN}

mojo/public/tools/bindings/generators/mojom_js_generator.py

Index: mojo/public/tools/bindings/generators/mojom_js_generator.py
diff --git a/mojo/public/tools/bindings/generators/mojom_js_generator.py b/mojo/public/tools/bindings/generators/mojom_js_generator.py
index 8c6e2a8a4ccb2fdee43fbd1161d135c69f56eff0..7db84198e93f094843b38995ad3f168750e280f0 100644
--- a/mojo/public/tools/bindings/generators/mojom_js_generator.py
+++ b/mojo/public/tools/bindings/generators/mojom_js_generator.py
@@ -174,6 +174,14 @@ def TranslateConstants(token):
       name.append(token.enum_name)
     name.append(token.name)
     return ".".join(name)
+
+  if token == "double.INFINITY" or token == "float.INFINITY":
+    return "Infinity";
+  if token == "double.NEGATIVE_INFINITY" or token == "float.NEGATIVE_INFINITY":
+    return "-Infinity";
+  if token == "double.NAN" or token == "float.NAN":
+    return "NaN";
+
   return token