TRACE_EVENT_INSTANT0   70 Source/platform/graphics/Canvas2DLayerBridge.cpp     TRACE_EVENT_INSTANT0("test_gpu", "Canvas2DLayerBridgeCreation");
TRACE_EVENT_INSTANT0  104 Source/platform/graphics/Canvas2DLayerBridge.cpp     TRACE_EVENT_INSTANT0("test_gpu", "Canvas2DLayerBridgeCreation");
TRACE_EVENT_INSTANT0  132 Source/platform/graphics/gpu/DrawingBuffer.cpp     TRACE_EVENT_INSTANT0("test_gpu", "DrawingBufferCreation");