CachedMetadata support for ServiceWorker script.

Source/web/ServiceWorkerGlobalScopeClientImpl.cpp

Index: Source/web/ServiceWorkerGlobalScopeClientImpl.cpp
diff --git a/Source/web/ServiceWorkerGlobalScopeClientImpl.cpp b/Source/web/ServiceWorkerGlobalScopeClientImpl.cpp
index 7c815c8b08ce4f0db8993d145d4979195e76f2fc..f37142a2ab5641c364946ef20b2ad43d38ee6762 100644
--- a/Source/web/ServiceWorkerGlobalScopeClientImpl.cpp
+++ b/Source/web/ServiceWorkerGlobalScopeClientImpl.cpp
@@ -58,6 +58,16 @@ void ServiceWorkerGlobalScopeClientImpl::openWindow(const WebURL& url, WebServic
     m_client.openWindow(url, callbacks);
 }
 
+void ServiceWorkerGlobalScopeClientImpl::setCachedMetadata(const WebURL& url, const char* data, size_t size)
+{
+    m_client.setCachedMetadata(url, data, size);
+}
+
+void ServiceWorkerGlobalScopeClientImpl::clearCachedMetadata(const WebURL& url)
+{
+    m_client.clearCachedMetadata(url);
+}
+
 WebURL ServiceWorkerGlobalScopeClientImpl::scope() const
 {
     return m_client.scope();