Add OnDurationChange() to RenderClient

media/mojo/services/mojo_renderer_service.cc

Index: media/mojo/services/mojo_renderer_service.cc
diff --git a/media/mojo/services/mojo_renderer_service.cc b/media/mojo/services/mojo_renderer_service.cc
index e2196e2b6bb201f8ce51efde4cdf4bc0b2f06d05..7282f8e2c964ebd9faa32b33a661f354c1dd7891 100644
--- a/media/mojo/services/mojo_renderer_service.cc
+++ b/media/mojo/services/mojo_renderer_service.cc
@@ -148,6 +148,10 @@ void MojoRendererService::OnVideoNaturalSizeChange(const gfx::Size& size) {
   client_->OnVideoNaturalSizeChange(size);
 }
 
+void MojoRendererService::OnDurationChange(base::TimeDelta duration) {
+  client_->OnDurationChange(duration.InMicroseconds());
+}
+
 void MojoRendererService::OnVideoOpacityChange(bool opaque) {
   DVLOG(2) << __FUNCTION__ << "(" << opaque << ")";
   client_->OnVideoOpacityChange(opaque);