encodingRegistryMutex  289 Source/wtf/text/TextEncodingRegistry.cpp     MutexLocker lock(encodingRegistryMutex());
encodingRegistryMutex  304 Source/wtf/text/TextEncodingRegistry.cpp     MutexLocker lock(encodingRegistryMutex());
encodingRegistryMutex  353 Source/wtf/text/TextEncodingRegistry.cpp     MutexLocker lock(encodingRegistryMutex());