Rename WorkerContext to WorkerGlobalScope

Source/core/workers/WorkerThread.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 14 matching lines @@
  */
 
 #include "config.h"
 
 #include "core/workers/WorkerThread.h"
 
 #include "bindings/v8/ScriptSourceCode.h"
 #include "bindings/v8/ScriptValue.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/platform/ThreadGlobalData.h"
-#include "core/workers/DedicatedWorkerContext.h"
+#include "core/workers/DedicatedWorkerGlobalScope.h"
 #include "modules/webdatabase/DatabaseManager.h"
 #include "modules/webdatabase/DatabaseTask.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebWorkerRunLoop.h"
 #include "weborigin/KURL.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/text/WTFString.h"
 
 #include <utility>
 
@@ skipping 82 matching lines @@
 
 void WorkerThread::workerThreadStart(void* thread)
 {
     static_cast<WorkerThread*>(thread)->workerThread();
 }
 
 void WorkerThread::workerThread()
 {
     {
         MutexLocker lock(m_threadCreationMutex);
-        m_workerContext = createWorkerContext(m_startupData->m_scriptURL, m_startupData->m_userAgent, m_startupData->m_contentSecurityPolicy, m_startupData->m_contentSecurityPolicyType, m_startupData->m_topOrigin.release());
+        m_workerGlobalScope = createWorkerGlobalScope(m_startupData->m_scriptURL, m_startupData->m_userAgent, m_startupData->m_contentSecurityPolicy, m_startupData->m_contentSecurityPolicyType, m_startupData->m_topOrigin.release());
 
         if (m_runLoop.terminated()) {
             // The worker was terminated before the thread had a chance to run. Since the context didn't exist yet,
             // forbidExecution() couldn't be called from stop().
-           m_workerContext->script()->forbidExecution();
+            m_workerGlobalScope->script()->forbidExecution();
         }
     }
     // The corresponding call to didStopWorkerRunLoop is in
     // ~WorkerScriptController.
     WebKit::Platform::current()->didStartWorkerRunLoop(WebKit::WebWorkerRunLoop(&m_runLoop));
 
-    WorkerScriptController* script = m_workerContext->script();
-    InspectorInstrumentation::willEvaluateWorkerScript(workerContext(), m_startupData->m_startMode);
+    WorkerScriptController* script = m_workerGlobalScope->script();
+    InspectorInstrumentation::willEvaluateWorkerScript(workerGlobalScope(), m_startupData->m_startMode);
     script->evaluate(ScriptSourceCode(m_startupData->m_sourceCode, m_startupData->m_scriptURL));
     // Free the startup data to cause its member variable deref's happen on the worker's thread (since
     // all ref/derefs of these objects are happening on the thread at this point). Note that
     // WorkerThread::~WorkerThread happens on a different thread where it was created.
     m_startupData.clear();
 
     runEventLoop();
 
     ThreadIdentifier threadID = m_threadID;
 
-    ASSERT(m_workerContext->hasOneRef());
+    ASSERT(m_workerGlobalScope->hasOneRef());
 
     // The below assignment will destroy the context, which will in turn notify messaging proxy.
     // We cannot let any objects survive past thread exit, because no other thread will run GC or otherwise destroy them.
-    m_workerContext = 0;
+    m_workerGlobalScope = 0;
 
     // Clean up WebCore::ThreadGlobalData before WTF::WTFThreadData goes away!
     threadGlobalData().destroy();
 
     // The thread object may be already destroyed from notification now, don't try to access "this".
     detachThread(threadID);
 }
 
 void WorkerThread::runEventLoop()
 {
     // Does not return until terminated.
-    m_runLoop.run(m_workerContext.get());
+    m_runLoop.run(m_workerGlobalScope.get());
 }
 
 class WorkerThreadShutdownFinishTask : public ScriptExecutionContext::Task {
 public:
     static PassOwnPtr<WorkerThreadShutdownFinishTask> create()
     {
         return adoptPtr(new WorkerThreadShutdownFinishTask());
     }
 
     virtual void performTask(ScriptExecutionContext *context)
     {
-        ASSERT_WITH_SECURITY_IMPLICATION(context->isWorkerContext());
-        WorkerContext* workerContext = static_cast<WorkerContext*>(context);
-        workerContext->clearInspector();
+        ASSERT_WITH_SECURITY_IMPLICATION(context->isWorkerGlobalScope());
+        WorkerGlobalScope* workerGlobalScope = static_cast<WorkerGlobalScope*>(context);
+        workerGlobalScope->clearInspector();
         // It's not safe to call clearScript until all the cleanup tasks posted by functions initiated by WorkerThreadShutdownStartTask have completed.
-        workerContext->clearScript();
+        workerGlobalScope->clearScript();
     }
 
     virtual bool isCleanupTask() const { return true; }
 };
 
 class WorkerThreadShutdownStartTask : public ScriptExecutionContext::Task {
 public:
     static PassOwnPtr<WorkerThreadShutdownStartTask> create()
     {
         return adoptPtr(new WorkerThreadShutdownStartTask());
     }
 
     virtual void performTask(ScriptExecutionContext *context)
     {
-        ASSERT_WITH_SECURITY_IMPLICATION(context->isWorkerContext());
-        WorkerContext* workerContext = static_cast<WorkerContext*>(context);
+        ASSERT_WITH_SECURITY_IMPLICATION(context->isWorkerGlobalScope());
+        WorkerGlobalScope* workerGlobalScope = static_cast<WorkerGlobalScope*>(context);
 
         // FIXME: Should we stop the databases as part of stopActiveDOMObjects() below?
         DatabaseTaskSynchronizer cleanupSync;
-        DatabaseManager::manager().stopDatabases(workerContext, &cleanupSync);
+        DatabaseManager::manager().stopDatabases(workerGlobalScope, &cleanupSync);
 
-        workerContext->stopActiveDOMObjects();
+        workerGlobalScope->stopActiveDOMObjects();
 
-        workerContext->notifyObserversOfStop();
+        workerGlobalScope->notifyObserversOfStop();
 
         // Event listeners would keep DOMWrapperWorld objects alive for too long. Also, they have references to JS objects,
         // which become dangling once Heap is destroyed.
-        workerContext->removeAllEventListeners();
+        workerGlobalScope->removeAllEventListeners();
 
         // We wait for the database thread to clean up all its stuff so that we
         // can do more stringent leak checks as we exit.
         cleanupSync.waitForTaskCompletion();
 
         // Stick a shutdown command at the end of the queue, so that we deal
         // with all the cleanup tasks the databases post first.
-        workerContext->postTask(WorkerThreadShutdownFinishTask::create());
+        workerGlobalScope->postTask(WorkerThreadShutdownFinishTask::create());
     }
 
     virtual bool isCleanupTask() const { return true; }
 };
 
 void WorkerThread::stop()
 {
     // Mutex protection is necessary because stop() can be called before the context is fully created.
     MutexLocker lock(m_threadCreationMutex);
 
     // Ensure that tasks are being handled by thread event loop. If script execution weren't forbidden, a while(1) loop in JS could keep the thread alive forever.
-    if (m_workerContext) {
-        m_workerContext->script()->scheduleExecutionTermination();
+    if (m_workerGlobalScope) {
+        m_workerGlobalScope->script()->scheduleExecutionTermination();
 
-        DatabaseManager::manager().interruptAllDatabasesForContext(m_workerContext.get());
+        DatabaseManager::manager().interruptAllDatabasesForContext(m_workerGlobalScope.get());
         m_runLoop.postTaskAndTerminate(WorkerThreadShutdownStartTask::create());
         return;
     }
     m_runLoop.terminate();
 }
 
 bool WorkerThread::isCurrentThread() const
 {
     return m_threadID == currentThread();
 }
 
 class ReleaseFastMallocFreeMemoryTask : public ScriptExecutionContext::Task {
     virtual void performTask(ScriptExecutionContext*) OVERRIDE { WTF::releaseFastMallocFreeMemory(); }
 };
 
 void WorkerThread::releaseFastMallocFreeMemoryInAllThreads()
 {
     MutexLocker lock(threadSetMutex());
     HashSet<WorkerThread*>& threads = workerThreads();
     HashSet<WorkerThread*>::iterator end = threads.end();
     for (HashSet<WorkerThread*>::iterator it = threads.begin(); it != end; ++it)
         (*it)->runLoop().postTask(adoptPtr(new ReleaseFastMallocFreeMemoryTask));
 }
 
 } // namespace WebCore