Introduce Promise mapping to the IDL generator

Source/modules/crypto/SubtleCrypto.h

Index: Source/modules/crypto/SubtleCrypto.h
diff --git a/Source/modules/crypto/SubtleCrypto.h b/Source/modules/crypto/SubtleCrypto.h
index 8ce3861427cfb47d7b327271836bdf63c8691011..f1503e709738558b5d0dfd5dea0b674cb97aa1a1 100644
--- a/Source/modules/crypto/SubtleCrypto.h
+++ b/Source/modules/crypto/SubtleCrypto.h
@@ -31,7 +31,7 @@
 #ifndef SubtleCrypto_h
 #define SubtleCrypto_h
 
-#include "bindings/v8/ScriptObject.h"
+#include "bindings/v8/ScriptPromise.h"
 #include "bindings/v8/ScriptWrappable.h"
 #include "wtf/Forward.h"
 #include "wtf/PassRefPtr.h"
@@ -47,16 +47,16 @@ class SubtleCrypto : public ScriptWrappable, public RefCounted<SubtleCrypto> {
 public:
     static PassRefPtr<SubtleCrypto> create() { return adoptRef(new SubtleCrypto()); }
 
-    ScriptObject encrypt(const Dictionary&, Key*, ArrayBufferView* data, ExceptionState&);
-    ScriptObject decrypt(const Dictionary&, Key*, ArrayBufferView* data, ExceptionState&);
-    ScriptObject sign(const Dictionary&, Key*, ArrayBufferView* data, ExceptionState&);
+    ScriptPromise encrypt(const Dictionary&, Key*, ArrayBufferView* data, ExceptionState&);
+    ScriptPromise decrypt(const Dictionary&, Key*, ArrayBufferView* data, ExceptionState&);
+    ScriptPromise sign(const Dictionary&, Key*, ArrayBufferView* data, ExceptionState&);
     // Note that this is not named "verify" because when compiling on Mac that expands to a macro and breaks.
-    ScriptObject verifySignature(const Dictionary&, Key*, ArrayBufferView* signature, ArrayBufferView* data, ExceptionState&);
-    ScriptObject digest(const Dictionary&, ArrayBufferView* data, ExceptionState&);
+    ScriptPromise verifySignature(const Dictionary&, Key*, ArrayBufferView* signature, ArrayBufferView* data, ExceptionState&);
+    ScriptPromise digest(const Dictionary&, ArrayBufferView* data, ExceptionState&);
 
-    ScriptObject generateKey(const Dictionary&, bool extractable, const Vector<String>& keyUsages, ExceptionState&);
-    ScriptObject importKey(const String&, ArrayBufferView*, const Dictionary&, bool extractable, const Vector<String>& keyUsages, ExceptionState&);
-    ScriptObject exportKey(const String&, Key*, ExceptionState&);
+    ScriptPromise generateKey(const Dictionary&, bool extractable, const Vector<String>& keyUsages, ExceptionState&);
+    ScriptPromise importKey(const String&, ArrayBufferView*, const Dictionary&, bool extractable, const Vector<String>& keyUsages, ExceptionState&);
+    ScriptPromise exportKey(const String&, Key*, ExceptionState&);
 
 private:
     SubtleCrypto();