Rename WebServiceWorkerRegistry to WebServiceWorkerProvider

Source/core/loader/EmptyClients.cpp

Index: Source/core/loader/EmptyClients.cpp
diff --git a/Source/core/loader/EmptyClients.cpp b/Source/core/loader/EmptyClients.cpp
index 245672d0545d189098ebef1061ec151ab67f40a8..6fdde41a75c9c97733a16d4bf0ec23f670f00e78 100644
--- a/Source/core/loader/EmptyClients.cpp
+++ b/Source/core/loader/EmptyClients.cpp
@@ -35,6 +35,8 @@
 #include "core/platform/ColorChooser.h"
 #include "core/platform/DateTimeChooser.h"
 #include "platform/FileChooser.h"
+#include "public/platform/WebServiceWorkerProvider.h"
+#include "public/platform/WebServiceWorkerProviderClient.h"
 
 namespace WebCore {
 
@@ -140,4 +142,9 @@ void EmptyFrameLoaderClient::didRequestAutocomplete(PassRefPtr<FormState>)
 {
 }
 
+PassOwnPtr<WebKit::WebServiceWorkerProvider> EmptyFrameLoaderClient::createServiceWorkerProvider(PassOwnPtr<WebKit::WebServiceWorkerProviderClient>)
+{
+    return nullptr;
+}
+
 }