Support V8 code caching for imported scripts in ServiceWorker

Source/core/workers/WorkerGlobalScope.cpp

Index: Source/core/workers/WorkerGlobalScope.cpp
diff --git a/Source/core/workers/WorkerGlobalScope.cpp b/Source/core/workers/WorkerGlobalScope.cpp
index 0617ab47c55862a7e09b0e168949a3791af4442c..a06e0a2cc0612827da1a2b1f0a10dfb4a57604a4 100644
--- a/Source/core/workers/WorkerGlobalScope.cpp
+++ b/Source/core/workers/WorkerGlobalScope.cpp
@@ -32,6 +32,7 @@
 #include "bindings/core/v8/ScheduledAction.h"
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "bindings/core/v8/ScriptValue.h"
+#include "bindings/core/v8/V8CacheOptions.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/AddConsoleMessageTask.h"
 #include "core/dom/ContextLifecycleNotifier.h"
@@ -84,6 +85,7 @@ public:
 WorkerGlobalScope::WorkerGlobalScope(const KURL& url, const String& userAgent, WorkerThread* thread, double timeOrigin, const SecurityOrigin* starterOrigin, PassOwnPtrWillBeRawPtr<WorkerClients> workerClients)
     : m_url(url)
     , m_userAgent(userAgent)
+    , m_v8CacheOptions(V8CacheOptionsDefault)
     , m_script(adoptPtr(new WorkerScriptController(*this)))
     , m_thread(thread)
     , m_workerInspectorController(adoptRefWillBeNoop(new WorkerInspectorController(this)))
@@ -264,7 +266,9 @@ void WorkerGlobalScope::importScripts(const Vector<String>& urls, ExceptionState
         InspectorInstrumentation::scriptImported(&executionContext, scriptLoader->identifier(), scriptLoader->script());
 
         RefPtrWillBeRawPtr<ErrorEvent> errorEvent = nullptr;
-        m_script->evaluate(ScriptSourceCode(scriptLoader->script(), scriptLoader->responseURL()), &errorEvent);
+        OwnPtr<Vector<char>> cachedMetaData(scriptLoader->releaseCachedMetadata());
+        OwnPtr<CachedMetadataHandler> handler(createWorkerScriptCachedMetadataHandler(completeURL, cachedMetaData.get()));
+        m_script->evaluate(ScriptSourceCode(scriptLoader->script(), scriptLoader->responseURL()), &errorEvent, handler.get(), m_v8CacheOptions);
         if (errorEvent) {
             m_script->rethrowExceptionFromImportedScript(errorEvent.release(), exceptionState);
             return;