Revert of [instrumentation] Turn inspector override "probes" return values into output parameters.

third_party/WebKit/Source/core/workers/WorkerInspectorProxy.cpp

Index: third_party/WebKit/Source/core/workers/WorkerInspectorProxy.cpp
diff --git a/third_party/WebKit/Source/core/workers/WorkerInspectorProxy.cpp b/third_party/WebKit/Source/core/workers/WorkerInspectorProxy.cpp
index 534db8f9e6de8b7ab7382516f5fa80ccbebfe654..346c38d4e6e246a1d2ee5d5f1c1538d936941a10 100644
--- a/third_party/WebKit/Source/core/workers/WorkerInspectorProxy.cpp
+++ b/third_party/WebKit/Source/core/workers/WorkerInspectorProxy.cpp
@@ -7,7 +7,6 @@
 #include "core/frame/FrameConsole.h"
 #include "core/inspector/IdentifiersFactory.h"
 #include "core/inspector/InspectorTraceEvents.h"
-#include "core/inspector/InspectorWorkerAgent.h"
 #include "core/inspector/WorkerInspectorController.h"
 #include "core/probe/CoreProbes.h"
 #include "core/workers/WorkerGlobalScope.h"
@@ -52,10 +51,9 @@
 
 WorkerThreadStartMode WorkerInspectorProxy::workerStartMode(
     Document* document) {
-  bool result = false;
-  probe::shouldWaitForDebuggerOnWorkerStart(document, &result);
-  return result ? PauseWorkerGlobalScopeOnStart
-                : DontPauseWorkerGlobalScopeOnStart;
+  if (probe::shouldWaitForDebuggerOnWorkerStart(document))
+    return PauseWorkerGlobalScopeOnStart;
+  return DontPauseWorkerGlobalScopeOnStart;
 }
 
 void WorkerInspectorProxy::workerThreadCreated(Document* document,
@@ -67,8 +65,7 @@
   inspectorProxies().insert(this);
   // We expect everyone starting worker thread to synchronously ask for
   // workerStartMode right before.
-  bool waitingForDebugger = false;
-  probe::shouldWaitForDebuggerOnWorkerStart(document, &waitingForDebugger);
+  bool waitingForDebugger = probe::shouldWaitForDebuggerOnWorkerStart(document);
   probe::didStartWorker(document, this, waitingForDebugger);
 }