[Worklets] Add basic debugging to main thread worklets.

third_party/WebKit/Source/modules/worklet/WorkletGlobalScope.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/worklet/WorkletGlobalScope.h"
 
 #include "bindings/core/v8/WorkerOrWorkletScriptController.h"
 #include "core/frame/FrameConsole.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "modules/worklet/WorkletConsole.h"
 
 namespace blink {
 
 // static
 PassRefPtrWillBeRawPtr<WorkletGlobalScope> WorkletGlobalScope::create(LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> securityOrigin, v8::Isolate* isolate)
 {
     RefPtrWillBeRawPtr<WorkletGlobalScope> workletGlobalScope = adoptRefWillBeNoop(new WorkletGlobalScope(frame, url, userAgent, securityOrigin, isolate));
     workletGlobalScope->scriptController()->initializeContextIfNeeded();
     return workletGlobalScope.release();
 }
 
 WorkletGlobalScope::WorkletGlobalScope(LocalFrame* frame, const KURL& url, const String& userAgent, PassRefPtr<SecurityOrigin> securityOrigin, v8::Isolate* isolate)
-    : LocalFrameLifecycleObserver(frame)
+    : MainThreadWorkletGlobalScope(frame)
     , m_url(url)
     , m_userAgent(userAgent)
     , m_scriptController(WorkerOrWorkletScriptController::create(this, isolate))
 {
     setSecurityOrigin(securityOrigin);
 }
 
 WorkletGlobalScope::~WorkletGlobalScope()
 {
 }
@@ skipping 64 matching lines @@
     // Always use UTF-8 in Worklets.
     return KURL(m_url, url);
 }
 
 DEFINE_TRACE(WorkletGlobalScope)
 {
     visitor->trace(m_scriptController);
     visitor->trace(m_console);
     ExecutionContext::trace(visitor);
     SecurityContext::trace(visitor);
-    LocalFrameLifecycleObserver::trace(visitor);
+    MainThreadWorkletGlobalScope::trace(visitor);
 }
 
 } // namespace blink