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

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 2bdd440753d9592507703936591aa7576267375e..2fcdc367d69298469e6ab922ed8fe80365878bc7 100644
--- a/Source/bindings/scripts/code_generator_v8.pm
+++ b/Source/bindings/scripts/code_generator_v8.pm
@@ -352,9 +352,9 @@ sub GenerateInterface
 
     $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:", "");