Update from https://crrev.com/302630

ui/gl/gl_context_egl.cc

Index: ui/gl/gl_context_egl.cc
diff --git a/ui/gl/gl_context_egl.cc b/ui/gl/gl_context_egl.cc
index 2554f8c5b1d029277e541ab78a2f1ed1680a94b1..733ad8d85a2cced84f93a6492f8fdafe3b2a67bf 100644
--- a/ui/gl/gl_context_egl.cc
+++ b/ui/gl/gl_context_egl.cc
@@ -173,7 +173,13 @@ void* GLContextEGL::GetHandle() {
 }
 
 void GLContextEGL::SetSwapInterval(int interval) {
-  DCHECK(IsCurrent(NULL));
+  DCHECK(IsCurrent(NULL) && GLSurface::GetCurrent());
+
+  // This is a surfaceless context. eglSwapInterval doesn't take any effect in
+  // this case and will just return EGL_BAD_SURFACE.
+  if (GLSurface::GetCurrent()->IsSurfaceless())
+    return;
+
   if (!eglSwapInterval(display_, interval)) {
     LOG(ERROR) << "eglSwapInterval failed with error "
                << GetLastEGLErrorString();