[oilpan] Completely move HTMLFormControlElement's hierarchy to the managed heap

Source/bindings/scripts/CodeGeneratorV8.pm

Index: Source/bindings/scripts/CodeGeneratorV8.pm
diff --git a/Source/bindings/scripts/CodeGeneratorV8.pm b/Source/bindings/scripts/CodeGeneratorV8.pm
index 0aad18a030b23494e8edd8a8b9c808f42347b7be..2f9c9a6341d654564d19c088fe4938228237d37a 100644
--- a/Source/bindings/scripts/CodeGeneratorV8.pm
+++ b/Source/bindings/scripts/CodeGeneratorV8.pm
@@ -96,7 +96,14 @@ my %handlifiedTypeHash = (
     "WebKitCSSMatrix" => 1,
 );
 
-my %partiallyHandlifiedTypeHash = ();
+my %partiallyHandlifiedTypeHash = (
+    "HTMLKeygenElement" => 1,
+    "HTMLOutputElement" => 1,
+    "HTMLSelectElement" => 1,
+    "HTMLInputElement" => 1,
+    "HTMLTextAreaElement" => 1,
+    "HTMLButtonElement" => 1,
+);
 
 my %svgAnimatedTypeHash = ("SVGAnimatedAngle" => 1, "SVGAnimatedBoolean" => 1,
                            "SVGAnimatedEnumeration" => 1, "SVGAnimatedInteger" => 1,
@@ -1314,7 +1321,7 @@ END
         if ($attribute->signature->extendedAttributes->{"ImplementedBy"}) {
             my $implementedBy = $attribute->signature->extendedAttributes->{"ImplementedBy"};
             AddInterfaceToImplIncludes($implementedBy);
-            unshift(@arguments, "imp") if !$attribute->isStatic;
+            unshift(@arguments, $handlified ? "imp.raw()" : "imp") if !$attribute->isStatic;
             $functionName = "${implementedBy}::${functionName}";
         } elsif ($attribute->isStatic) {
             $functionName = "${interfaceName}::${functionName}";
@@ -1485,7 +1492,7 @@ END
     return value;
 END
     } else {
-        $code .= "    return " . NativeToJSValue($attribute->signature, $expression, "info.Holder()", "info.GetIsolate()", "info", "imp", "ReturnUnsafeHandle", $forMainWorldSuffix).";\n";
+        $code .= "    return " . NativeToJSValue($attribute->signature, $expression, "info.Holder()", "info.GetIsolate()", "info", $handlified ? "imp.raw()" : "imp", "ReturnUnsafeHandle", $forMainWorldSuffix).";\n";
     }
 
     $code .= "}\n\n";  # end of getter
@@ -1654,7 +1661,6 @@ END
     } else {
         my $reflect = $attribute->signature->extendedAttributes->{"Reflect"};
         if ($reflect && InheritsInterface($interface, "Node") && IsStringType($attrType)) {
-            # Generate super-compact call for regular attribute setter:
             my $contentAttributeName = $reflect eq "VALUE_IS_MISSING" ? lc $attrName : $reflect;
             my $namespace = NamespaceForAttributeName($interfaceName, $contentAttributeName);
             AddToImplIncludes("${namespace}.h");