IDL compiler: [CustomLegacyCall] interfaces, cleanup header conditional spacing

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 334 matching lines @@
     my $conditionalString = GenerateConditionalString($interface);
     my $conditionalIf = "";
     my $conditionalEndif = "";
     if ($conditionalString) {
         $conditionalIf = "#if ${conditionalString}";
         $conditionalEndif = "#endif // ${conditionalString}";
     }
 
     $header{root} = new Block("ROOT", "", "");
     # FIXME: newlines should be generated by Block::toString().
-    $header{conditional} = new Block("Conditional", "$conditionalIf", $conditionalEndif ? "$conditionalEndif\n" : "");
+    $header{conditional} = new Block("Conditional", "$conditionalIf", $conditionalEndif ? "$conditionalEndif" : "");
     $header{includes} = new Block("Includes", "", "");
-    $header{nameSpaceWebCore} = new Block("Namespace WebCore", "\nnamespace WebCore {\n", "}\n");
+    $header{nameSpaceWebCore} = new Block("Namespace WebCore", "\nnamespace WebCore {\n", "}");
     $header{class} = new Block("Class definition", "", "");
     $header{classPublic} = new Block("Class public:", "public:", "");
     $header{classPrivate} = new Block("Class private:", "private:", "");
 
     $header{root}->add($header{conditional});
     $header{conditional}->add($header{includes});
     $header{conditional}->add($header{nameSpaceWebCore});
     $header{nameSpaceWebCore}->add($header{class});
     $header{class}->add($header{classPublic});
     $header{class}->add($header{classPrivate});
@@ skipping 5976 matching lines @@
     my $interface = shift;
 
     return 1 if $interface->extendedAttributes->{"CustomToV8"};
     return 1 if $interface->extendedAttributes->{"SpecialWrapFor"};
     return 1 if InheritsInterface($interface, "Document");
 
     return 0;
 }
 
 1;