diff options
Diffstat (limited to 'Source/WebCore/dom/ActiveDOMObject.cpp')
| -rw-r--r-- | Source/WebCore/dom/ActiveDOMObject.cpp | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/Source/WebCore/dom/ActiveDOMObject.cpp b/Source/WebCore/dom/ActiveDOMObject.cpp index b44f07d45..0c6e8ed02 100644 --- a/Source/WebCore/dom/ActiveDOMObject.cpp +++ b/Source/WebCore/dom/ActiveDOMObject.cpp @@ -28,13 +28,12 @@ #include "ActiveDOMObject.h" #include "ScriptExecutionContext.h" -#include "WebCoreMemoryInstrumentation.h" -#include "WorkerContext.h" +#include "WorkerGlobalScope.h" #include "WorkerThread.h" namespace WebCore { -ActiveDOMObject::ActiveDOMObject(ScriptExecutionContext* scriptExecutionContext, void* upcastPointer) +ActiveDOMObject::ActiveDOMObject(ScriptExecutionContext* scriptExecutionContext) : ContextDestructionObserver(scriptExecutionContext) , m_pendingActivityCount(0) #if !ASSERT_DISABLED @@ -45,7 +44,7 @@ ActiveDOMObject::ActiveDOMObject(ScriptExecutionContext* scriptExecutionContext, return; ASSERT(m_scriptExecutionContext->isContextThread()); - m_scriptExecutionContext->didCreateActiveDOMObject(this, upcastPointer); + m_scriptExecutionContext->didCreateActiveDOMObject(this); } ActiveDOMObject::~ActiveDOMObject() @@ -54,8 +53,17 @@ ActiveDOMObject::~ActiveDOMObject() return; ASSERT(m_suspendIfNeededCalled); - ASSERT(m_scriptExecutionContext->isContextThread()); - m_scriptExecutionContext->willDestroyActiveDOMObject(this); + + // ActiveDOMObject may be inherited by a sub-class whose life-cycle + // exceeds that of the associated ScriptExecutionContext. In those cases, + // m_scriptExecutionContext would/should have been nullified by + // ContextDestructionObserver::contextDestroyed() (which we implement / + // inherit). Hence, we should ensure that this is not 0 before use it + // here. + if (m_scriptExecutionContext) { + ASSERT(m_scriptExecutionContext->isContextThread()); + m_scriptExecutionContext->willDestroyActiveDOMObject(this); + } } void ActiveDOMObject::suspendIfNeeded() @@ -92,10 +100,4 @@ void ActiveDOMObject::stop() { } -void ActiveDOMObject::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const -{ - MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::DOM); -} - - } // namespace WebCore |