Fix layering of ApplicationCacheHost

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 da1c28d5c2ed3ed6387f3f8757c9de89e7598a4d..928f2cdcf4d868b6af4696b0030c39eb3ee3a7fb 100644
--- a/Source/core/loader/EmptyClients.cpp
+++ b/Source/core/loader/EmptyClients.cpp
@@ -36,6 +36,7 @@
 #include "platform/ColorChooser.h"
 #include "platform/DateTimeChooser.h"
 #include "platform/FileChooser.h"
+#include "public/platform/WebApplicationCacheHost.h"
 #include "public/platform/WebServiceWorkerProvider.h"
 #include "public/platform/WebServiceWorkerProviderClient.h"
 
@@ -150,6 +151,11 @@ PassOwnPtr<blink::WebServiceWorkerProvider> EmptyFrameLoaderClient::createServic
     return nullptr;
 }
 
+PassOwnPtr<blink::WebApplicationCacheHost> EmptyFrameLoaderClient::createApplicationCacheHost(blink::WebApplicationCacheHostClient*)
+{
+    return nullptr;
+}
+
 PassOwnPtr<StorageNamespace> EmptyStorageClient::createSessionStorageNamespace()
 {
     return nullptr;