Remove modules/webdatabase dependency from core.

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 17 matching lines @@
 
 #include "core/workers/WorkerThread.h"
 
 #include "bindings/v8/ScriptSourceCode.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/workers/DedicatedWorkerGlobalScope.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerReportingProxy.h"
 #include "core/workers/WorkerThreadStartupData.h"
 #include "heap/ThreadState.h"
-#include "modules/webdatabase/DatabaseManager.h"
 #include "platform/PlatformThreadData.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebWaitableEvent.h"
 #include "public/platform/WebWorkerRunLoop.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/text/WTFString.h"
 
 #include <utility>
 
@@ skipping 163 matching lines @@
     // Mutex protection is necessary because stop() can be called before the context is fully created.
     MutexLocker lock(m_threadCreationMutex);
 
     // Signal the thread to notify that the thread's stopping.
     if (m_shutdownEvent)
         m_shutdownEvent->signal();
 
     // 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_workerGlobalScope) {
         m_workerGlobalScope->script()->scheduleExecutionTermination();
-
-        DatabaseManager::manager().interruptAllDatabasesForContext(m_workerGlobalScope.get());
+        m_workerGlobalScope->willStopActiveDOMObjects();
         m_runLoop.postTaskAndTerminate(WorkerThreadShutdownStartTask::create());
         return;
     }
     m_runLoop.terminate();
 }
 
 bool WorkerThread::isCurrentThread() const
 {
     return m_threadID == currentThread();
 }
 
 class ReleaseFastMallocFreeMemoryTask : public ExecutionContextTask {
     virtual void performTask(ExecutionContext*) 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