WIP: Implement binding layer for Blink-in-JavaScript

Source/bindings/scripts/code_generator_v8.pm

Index: Source/bindings/scripts/code_generator_v8.pm
diff --git a/Source/bindings/scripts/code_generator_v8.pm b/Source/bindings/scripts/code_generator_v8.pm
index fe3aad63946f832cf861867ba562b4e5be7bfba1..b10537dcbc984102704adfc4f42984f24003c6a7 100644
--- a/Source/bindings/scripts/code_generator_v8.pm
+++ b/Source/bindings/scripts/code_generator_v8.pm
@@ -2454,7 +2454,7 @@ END
         }
     } elsif (!$function->isStatic) {
         $code .= <<END;
-    ${implClassName}* imp = ${v8ClassName}::toNative(info.Holder());
+    ${implClassName}* ALLOW_UNUSED imp = ${v8ClassName}::toNative(info.Holder());
 END
     }
 
@@ -2483,7 +2483,9 @@ END
     }
 
     my ($parameterCheckString, $paramIndex, %replacements) = GenerateParametersCheck($function, $interface, $forMainWorldSuffix, $hasExceptionState);
-    $code .= $parameterCheckString;
+    if (!$function->extendedAttributes->{"BlinkInJavaScript"}) {
+        $code .= $parameterCheckString;
+    }
 
     # Build the function call string.
     $code .= GenerateFunctionCallString($function, $paramIndex, "    ", $interface, $forMainWorldSuffix, $hasExceptionState, %replacements);
@@ -5226,6 +5228,20 @@ sub GenerateFunctionCallString
     my $index = 0;
     my $humanFriendlyIndex = $index + 1;
 
+    # FIXME: Implement [BlinkInJavaScript] for DOM attributes as well.
+    if ($function->extendedAttributes->{"BlinkInJavaScript"}) {
+        AddToImplIncludes("bindings/v8/V8BlinkInJavaScript.h");
+        $code .= "    v8::Handle<v8::Value> argv[] = { ";
+        foreach (my $index = 0; $index < @{$function->parameters}; $index++) {
+            $code .= "info[$index], ";
+        }
+        $code .= "};\n";
+        my $implementedBy = $function->extendedAttributes->{"ImplementedBy"};
+        my $className = $implementedBy ? GetImplNameFromImplementedBy($implementedBy) : $implClassName;
+        $code .= "    v8SetReturnValue(info, V8BlinkInJavaScript::runBlinkInJavaScript(\"${className}\", \"${name}\", info.Holder(), WTF_ARRAY_LENGTH(argv), argv, info.GetIsolate()));\n";
+        return $code;
+    }
+
     my @arguments;
     my $functionName;
     my $implementedBy = $function->extendedAttributes->{"ImplementedBy"};