updateCachedBitmapIfNeeded  243 Source/platform/graphics/ImageBuffer.cpp         m_surface->updateCachedBitmapIfNeeded();
updateCachedBitmapIfNeeded   70 Source/platform/graphics/ImageBufferSurface.h     virtual void updateCachedBitmapIfNeeded() { }
updateCachedBitmapIfNeeded   59 Source/platform/graphics/gpu/WebGLImageBufferSurface.h     virtual void updateCachedBitmapIfNeeded() OVERRIDE;