ClearFramebuffer  373 cc/output/direct_renderer.cc     ClearFramebuffer(frame, has_external_stencil_test);
ClearFramebuffer  110 cc/output/direct_renderer.h   virtual void ClearFramebuffer(DrawingFrame* frame,
ClearFramebuffer  117 cc/output/gl_renderer.h   virtual void ClearFramebuffer(DrawingFrame* frame,
ClearFramebuffer   62 cc/output/software_renderer.h   virtual void ClearFramebuffer(DrawingFrame* frame,