Move [StrictTypeChecking] to interface (from members), where possible

Source/bindings/scripts/code_generator_v8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 1929 matching lines @@
     $code .= "#if ${conditionalString}\n" if $conditionalString;
     if ($exposeJSAccessors) {
         $code .= "static void ${attrName}AttributeSetter${forMainWorldSuffix}(v8::Local<v8::Value> jsValue, const v8::FunctionCallbackInfo<v8::Value>& info)\n";
     } else {
         $code .= "static void ${attrName}AttributeSetter${forMainWorldSuffix}(v8::Local<v8::Value> jsValue, const v8::PropertyCallbackInfo<void>& info)\n";
     }
     $code .= "{\n";
 
     my $raisesException = $attribute->extendedAttributes->{"RaisesException"};
     my $useExceptions = 1 if $raisesException && ($raisesException eq "VALUE_IS_MISSING" or $raisesException eq "Setter");
-    my $hasStrictTypeChecking = 1 if $attribute->extendedAttributes->{"StrictTypeChecking"} && IsWrapperType($attrType);  # Currently only actually check interface types
+    my $hasStrictTypeChecking = 1 if ($interface->extendedAttributes->{"StrictTypeChecking"} || $attribute->extendedAttributes->{"StrictTypeChecking"}) && IsWrapperType($attrType);  # Currently only actually check interface types
 
     # Can throw exceptions from accessors or during type conversion.
     my $isIntegerType = IsIntegerType($attribute->type);
 
     # We throw exceptions using 'ExceptionState' if the attribute explicitly
     # claims that exceptions may be raised, or if a strict type check might
     # fail, or if we're dealing with SVG, which does strange things with
     # tearoffs and read-only wrappers.
     if ($useExceptions or $hasStrictTypeChecking or GetSVGTypeNeedingTearOff($interfaceName) or GetSVGTypeNeedingTearOff($attrType) or $isIntegerType) {
         $code .= "    ExceptionState exceptionState(ExceptionState::SetterContext, \"${attrName}\", \"${interfaceName}\", info.Holder(), info.GetIsolate());\n";
@@ skipping 762 matching lines @@
                 $parameterCheckString .= "        return;\n";
                 $parameterCheckString .= "    }\n";
             }
         } else {
             # If the "StrictTypeChecking" extended attribute is present, and the argument's type is an
             # interface type, then if the incoming value does not implement that interface, a TypeError
             # is thrown rather than silently passing NULL to the C++ code.
             # Per the Web IDL and ECMAScript specifications, incoming values can always be converted
             # to both strings and numbers, so do not throw TypeError if the argument is of these
             # types.
-            if ($function->extendedAttributes->{"StrictTypeChecking"}) {
+            if ($function->extendedAttributes->{"StrictTypeChecking"} || $interface->extendedAttributes->{"StrictTypeChecking"}) {
                 my $argValue = "info[$paramIndex]";
                 my $argType = $parameter->type;
                 if (IsWrapperType($argType)) {
                     my $undefinedNullCheck = $parameter->isNullable ? "isUndefinedOrNull($argValue)" : "${argValue}->IsUndefined()";
                     $parameterCheckString .= "    if (info.Length() > $paramIndex && !$undefinedNullCheck && !V8${argType}::hasInstance($argValue, info.GetIsolate())) {\n";
                     if ($hasExceptionState) {
                         $parameterCheckString .= "        exceptionState.throwTypeError(\"parameter $humanFriendlyIndex is not of type \'$argType\'.\");\n";
                         $parameterCheckString .= "        exceptionState.throwIfNeeded();\n";
                     }else {
                         $parameterCheckString .= "        throwTypeError(ExceptionMessages::failedToExecute(\"$functionName\", \"$interfaceName\", \"parameter $humanFriendlyIndex is not of type \'$argType\'.\"), info.GetIsolate());\n";
@@ skipping 3657 matching lines @@
         if ($parameter->type eq "SerializedScriptValue") {
             return 1;
         } elsif (IsIntegerType($parameter->type)) {
             return 1;
         }
     }
     return 0;
 }
 
 1;