Leave CreateStreamTexture route id out of the GL interface.

components/mus/gles2/command_buffer_local.cc

Index: components/mus/gles2/command_buffer_local.cc
diff --git a/components/mus/gles2/command_buffer_local.cc b/components/mus/gles2/command_buffer_local.cc
index 2e0535bba42121677e156848bd326c469b9dde1a..b5aa6de76822874a75985d636e741c718e2ac7df 100644
--- a/components/mus/gles2/command_buffer_local.cc
+++ b/components/mus/gles2/command_buffer_local.cc
@@ -199,12 +199,6 @@ void CommandBufferLocal::SetSurfaceVisible(bool visible) {
   NOTIMPLEMENTED();
 }
 
-uint32_t CommandBufferLocal::CreateStreamTexture(uint32_t texture_id) {
-  // TODO(piman)
-  NOTIMPLEMENTED();
-  return 0;
-}
-
 void CommandBufferLocal::SetLock(base::Lock* lock) {
   NOTIMPLEMENTED();
 }