DiscardBackbuffer 2209 cc/output/gl_renderer.cc void GLRenderer::DiscardBackbuffer() { DiscardBackbuffer 354 cc/output/output_surface.cc void OutputSurface::DiscardBackbuffer() { DiscardBackbuffer 124 cc/output/output_surface_unittest.cc void TestSoftwareOutputDevice::DiscardBackbuffer() { DiscardBackbuffer 628 cc/output/software_renderer.cc void SoftwareRenderer::DiscardBackbuffer() { DiscardBackbuffer 119 content/renderer/gpu/compositor_software_output_device.cc void CompositorSoftwareOutputDevice::DiscardBackbuffer() { DiscardBackbuffer 98 content/renderer/gpu/mailbox_output_surface.cc void MailboxOutputSurface::DiscardBackbuffer() {