invalidateCachedBitmap  229 Source/platform/graphics/ImageBuffer.cpp     m_surface->invalidateCachedBitmap();
invalidateCachedBitmap   69 Source/platform/graphics/ImageBufferSurface.h     virtual void invalidateCachedBitmap() { }
invalidateCachedBitmap   58 Source/platform/graphics/gpu/WebGLImageBufferSurface.h     virtual void invalidateCachedBitmap() OVERRIDE;