Use EGL_ANGLE_surface_orientation in Chrome to avoid a blit.

content/browser/compositor/gpu_browser_compositor_output_surface.cc

Index: content/browser/compositor/gpu_browser_compositor_output_surface.cc
diff --git a/content/browser/compositor/gpu_browser_compositor_output_surface.cc b/content/browser/compositor/gpu_browser_compositor_output_surface.cc
index c65ba7375874ed6cb2114774bbf4c9382b81670f..6f57e5d532578f08c65350c3a4b0478958f56b89 100644
--- a/content/browser/compositor/gpu_browser_compositor_output_surface.cc
+++ b/content/browser/compositor/gpu_browser_compositor_output_surface.cc
@@ -58,6 +58,10 @@ bool GpuBrowserCompositorOutputSurface::BindToClient(
       swap_buffers_completion_callback_.callback());
   GetCommandBufferProxy()->SetUpdateVSyncParametersCallback(
       update_vsync_parameters_callback_.callback());
+  if (capabilities_.uses_default_gl_framebuffer) {
+    capabilities_.flipped_output_surface =
+        context_provider()->ContextCapabilities().gpu.flips_vertically;
+  }
   return true;
 }