[ServiceWorker] Stop using FetchRequestData::Mode and FetchRequestData::Credentials.

Source/modules/serviceworkers/FetchRequestData.h

Index: Source/modules/serviceworkers/FetchRequestData.h
diff --git a/Source/modules/serviceworkers/FetchRequestData.h b/Source/modules/serviceworkers/FetchRequestData.h
index f4920d9a04ebffad8dc27b4c766cccc577f5faa5..ffcaa35b21bfd713775f835a0c36de66e95c3233 100644
--- a/Source/modules/serviceworkers/FetchRequestData.h
+++ b/Source/modules/serviceworkers/FetchRequestData.h
@@ -8,6 +8,7 @@
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "platform/weborigin/Referrer.h"
+#include "public/platform/WebURLRequest.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/text/AtomicString.h"
@@ -24,8 +25,6 @@ class WebServiceWorkerRequest;
 class FetchRequestData final : public GarbageCollectedFinalized<FetchRequestData> {
     WTF_MAKE_NONCOPYABLE(FetchRequestData);
 public:
-    enum Mode { SameOriginMode, NoCORSMode, CORSMode, CORSWithForcedPreflight };
-    enum Credentials { OmitCredentials, SameOriginCredentials, IncludeCredentials };
     enum Context { ChildContext, ConnectContext, DownloadContext, FontContext, FormContext, ImageContext, ManifestContext, MediaContext, NavigateContext, ObjectContext, PingContext, PopupContext, PrefetchContext, ScriptContext, ServiceWorkerContext, SharedWorkerContext, StyleContext, WorkerContext, NullContext };
     enum Tainting { BasicTainting, CORSTainting, OpaqueTainting };
 
@@ -71,10 +70,10 @@ public:
     PassRefPtr<SecurityOrigin> origin() { return m_origin; }
     bool sameOriginDataURLFlag() { return m_sameOriginDataURLFlag; }
     const Referrer& referrer() const { return m_referrer; }
-    void setMode(Mode mode) { m_mode = mode; }
-    Mode mode() const { return m_mode; }
-    void setCredentials(Credentials credentials) { m_credentials = credentials; }
-    Credentials credentials() const { return m_credentials; }
+    void setMode(WebURLRequest::FetchRequestMode mode) { m_mode = mode; }
+    WebURLRequest::FetchRequestMode mode() const { return m_mode; }
+    void setCredentials(WebURLRequest::FetchCredentialsMode credentials) { m_credentials = credentials; }
+    WebURLRequest::FetchCredentialsMode credentials() const { return m_credentials; }
     void setResponseTainting(Tainting tainting) { m_responseTainting = tainting; }
     Tainting tainting() const { return m_responseTainting; }
     FetchHeaderList* headerList() { return m_headerList.get(); }
@@ -101,8 +100,8 @@ private:
     Referrer m_referrer;
     // FIXME: Support m_authenticationFlag;
     // FIXME: Support m_synchronousFlag;
-    Mode m_mode;
-    Credentials m_credentials;
+    WebURLRequest::FetchRequestMode m_mode;
+    WebURLRequest::FetchCredentialsMode m_credentials;
     // FIXME: Support m_useURLCredentialsFlag;
     // FIXME: Support m_manualRedirectFlag;
     // FIXME: Support m_redirectCount;