Command to mark surface inactive, so gpu process can release resources.

ui/gfx/gl/gl_surface.cc

Index: ui/gfx/gl/gl_surface.cc
diff --git a/ui/gfx/gl/gl_surface.cc b/ui/gfx/gl/gl_surface.cc
index a0e881de886971b76d47a7e74b5cef14bfc9ec21..82d6915422ae3a2d2f5235c613289220553916b7 100644
--- a/ui/gfx/gl/gl_surface.cc
+++ b/ui/gfx/gl/gl_surface.cc
@@ -31,6 +31,9 @@ unsigned int GLSurface::GetBackingFrameBufferObject() {
 void GLSurface::OnMakeCurrent(GLContext* context) {
 }
 
+void GLSurface::OnSetSurfaceVisible(bool visible) {
+}
+
 GLSurface* GLSurface::GetCurrent() {
   return current_surface_.Get();
 }