TRACE_EVENT_ASYNC_BEGIN0  282 Source/modules/mediasource/MediaSourceBase.cpp     TRACE_EVENT_ASYNC_BEGIN0("media", "MediaSourceBase::attachToElement", this);
TRACE_EVENT_ASYNC_BEGIN0  365 Source/modules/mediasource/SourceBuffer.cpp     TRACE_EVENT_ASYNC_BEGIN0("media", "SourceBuffer::remove", this);
TRACE_EVENT_ASYNC_BEGIN0  501 Source/modules/mediasource/SourceBuffer.cpp     TRACE_EVENT_ASYNC_BEGIN0("media", "SourceBuffer::appendBuffer", this);
TRACE_EVENT_ASYNC_BEGIN0  597 Source/modules/mediasource/SourceBuffer.cpp     TRACE_EVENT_ASYNC_BEGIN0("media", "SourceBuffer::appendStream", this);
TRACE_EVENT_ASYNC_BEGIN0   65 Source/platform/graphics/LazyDecodingPixelRef.cpp     TRACE_EVENT_ASYNC_BEGIN0("webkit", "LazyDecodingPixelRef::onNewLockPixels", this);
TRACE_EVENT_ASYNC_BEGIN0  477 Source/web/WebViewImpl.cpp             TRACE_EVENT_ASYNC_BEGIN0("input", "capturing mouse", this);