checkSurfaceValid   58 Source/platform/graphics/Canvas2DImageBufferSurface.h     virtual bool isValid() const OVERRIDE { return m_layerBridge && m_layerBridge->checkSurfaceValid(); }
checkSurfaceValid  212 Source/platform/graphics/Canvas2DLayerBridge.cpp     if (!checkSurfaceValid()) {
checkSurfaceValid  328 Source/platform/graphics/Canvas2DLayerBridge.cpp         checkSurfaceValid(); // To ensure rate limiter is disabled if context is lost.
checkSurfaceValid  388 Source/platform/graphics/Canvas2DLayerBridge.cpp     if (!checkSurfaceValid())
checkSurfaceValid  514 Source/platform/graphics/Canvas2DLayerBridge.cpp     if (!checkSurfaceValid())
checkSurfaceValid   75 Source/platform/graphics/Canvas2DLayerBridge.h     bool checkSurfaceValid();