Extract a DOMWindow interface from LocalDOMWindow and use it in the idl.

Source/modules/crypto/DOMWindowCrypto.h

Index: Source/modules/crypto/DOMWindowCrypto.h
diff --git a/Source/modules/crypto/DOMWindowCrypto.h b/Source/modules/crypto/DOMWindowCrypto.h
index 2f7834af5dcd1c8f8a288f33bea859f23c9b1169..c1a868797a16e08061ffe2c78404d1fb0bc9ef8c 100644
--- a/Source/modules/crypto/DOMWindowCrypto.h
+++ b/Source/modules/crypto/DOMWindowCrypto.h
@@ -38,14 +38,14 @@
 namespace blink {
 
 class Crypto;
-class LocalDOMWindow;
+class DOMWindow;
 
 class DOMWindowCrypto final : public NoBaseWillBeGarbageCollected<DOMWindowCrypto>, public WillBeHeapSupplement<LocalDOMWindow>, public DOMWindowProperty {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMWindowCrypto);
     DECLARE_EMPTY_VIRTUAL_DESTRUCTOR_WILL_BE_REMOVED(DOMWindowCrypto);
 public:
     static DOMWindowCrypto& from(LocalDOMWindow&);
-    static Crypto* crypto(LocalDOMWindow&);
+    static Crypto* crypto(DOMWindow&);
     Crypto* crypto() const;
 
     void trace(Visitor*);