[WIP] off-main-thread loading

third_party/WebKit/Source/core/probe/CoreProbes.cpp

Index: third_party/WebKit/Source/core/probe/CoreProbes.cpp
diff --git a/third_party/WebKit/Source/core/probe/CoreProbes.cpp b/third_party/WebKit/Source/core/probe/CoreProbes.cpp
index a9d792b7a80c6915af6259fe66ae77a58aa4afb2..e31f98282885db87486a73672d46b4f80c767509 100644
--- a/third_party/WebKit/Source/core/probe/CoreProbes.cpp
+++ b/third_party/WebKit/Source/core/probe/CoreProbes.cpp
@@ -120,7 +120,8 @@ void didReceiveResourceResponseButCanceled(LocalFrame* frame,
                                            unsigned long identifier,
                                            const ResourceResponse& r,
                                            Resource* resource) {
-  didReceiveResourceResponse(frame, identifier, loader, r, resource);
+  didReceiveResourceResponse(frame->document(), identifier, loader, r,
+                             resource);
 }
 
 void canceledAfterReceivedResourceResponse(LocalFrame* frame,
@@ -142,9 +143,14 @@ void continueWithPolicyIgnore(LocalFrame* frame,
 CoreProbeSink* toCoreProbeSink(WorkerGlobalScope* workerGlobalScope) {
   if (!workerGlobalScope)
     return nullptr;
+  WorkerThread* thread = workerGlobalScope->thread();
+  // |thread| is null after WorkerGlobalScope::dispose() is called.
+  if (!thread)
+    return nullptr;
   if (WorkerInspectorController* controller =
-          workerGlobalScope->thread()->workerInspectorController())
+          workerGlobalScope->thread()->workerInspectorController()) {
     return controller->instrumentingAgents();
+  }
   return nullptr;
 }