| Index: third_party/WebKit/Source/core/workers/WorkerGlobalScope.cpp
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| diff --git a/third_party/WebKit/Source/core/workers/WorkerGlobalScope.cpp b/third_party/WebKit/Source/core/workers/WorkerGlobalScope.cpp
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| index ef1511b306766716f3c2ecf2dac512d44824e2b3..765805e1e98b0155c67b2e91eb20238af3ad6b5a 100644
 | 
| --- a/third_party/WebKit/Source/core/workers/WorkerGlobalScope.cpp
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| +++ b/third_party/WebKit/Source/core/workers/WorkerGlobalScope.cpp
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| @@ -40,6 +40,7 @@
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|  #include "core/inspector/ConsoleMessage.h"
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|  #include "core/inspector/ConsoleMessageStorage.h"
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|  #include "core/inspector/WorkerThreadDebugger.h"
 | 
| +#include "core/loader/WorkerFetchContext.h"
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|  #include "core/loader/WorkerThreadableLoader.h"
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|  #include "core/probe/CoreProbes.h"
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|  #include "core/workers/WorkerClients.h"
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| @@ -51,6 +52,7 @@
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|  #include "core/workers/WorkerThread.h"
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|  #include "platform/CrossThreadFunctional.h"
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|  #include "platform/InstanceCounters.h"
 | 
| +#include "platform/RuntimeEnabledFeatures.h"
 | 
|  #include "platform/loader/fetch/MemoryCache.h"
 | 
|  #include "platform/network/ContentSecurityPolicyParsers.h"
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|  #include "platform/weborigin/KURL.h"
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| @@ -300,6 +302,14 @@ ExecutionContext* WorkerGlobalScope::GetExecutionContext() const {
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|    return const_cast<WorkerGlobalScope*>(this);
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|  }
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|  
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| +WorkerFetchContext* WorkerGlobalScope::FetchContext() {
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| +  DCHECK(RuntimeEnabledFeatures::offMainThreadFetchEnabled());
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| +  if (fetch_context_)
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| +    return fetch_context_;
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| +  fetch_context_ = WorkerFetchContext::Create(*this);
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| +  return fetch_context_;
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| +}
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| +
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|  WorkerGlobalScope::WorkerGlobalScope(
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|      const KURL& url,
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|      const String& user_agent,
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| @@ -376,6 +386,7 @@ DEFINE_TRACE(WorkerGlobalScope) {
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|    visitor->Trace(timers_);
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|    visitor->Trace(event_listeners_);
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|    visitor->Trace(pending_error_events_);
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| +  visitor->Trace(fetch_context_);
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|    ExecutionContext::Trace(visitor);
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|    EventTargetWithInlineData::Trace(visitor);
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|    SecurityContext::Trace(visitor);
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| 
 |