Leave CreateStreamTexture route id out of the GL interface.

gpu/gles2_conform_support/egl/display.cc

Index: gpu/gles2_conform_support/egl/display.cc
diff --git a/gpu/gles2_conform_support/egl/display.cc b/gpu/gles2_conform_support/egl/display.cc
index fb4327254ce5e5461f18dd48ef6ff3d9557495c3..b610ced352a068de1cf3e966eaa9f162cc64451d 100644
--- a/gpu/gles2_conform_support/egl/display.cc
+++ b/gpu/gles2_conform_support/egl/display.cc
@@ -332,11 +332,6 @@ void Display::SetSurfaceVisible(bool visible) {
   NOTIMPLEMENTED();
 }
 
-uint32 Display::CreateStreamTexture(uint32 texture_id) {
-  NOTIMPLEMENTED();
-  return 0;
-}
-
 void Display::SetLock(base::Lock*) {
   NOTIMPLEMENTED();
 }