Leave CreateStreamTexture route id out of the GL interface.

gpu/command_buffer/build_gles2_cmd_buffer.py

Index: gpu/command_buffer/build_gles2_cmd_buffer.py
diff --git a/gpu/command_buffer/build_gles2_cmd_buffer.py b/gpu/command_buffer/build_gles2_cmd_buffer.py
index 03dad41a768be6fc4ad3939cc3d8634df54aab31..c76fd102e9939e0dcaae55b482c3ca771809cf2e 100755
--- a/gpu/command_buffer/build_gles2_cmd_buffer.py
+++ b/gpu/command_buffer/build_gles2_cmd_buffer.py
@@ -3791,14 +3791,6 @@ _FUNCTION_INFO = {
     'extension': 'CHROMIUM_request_extension',
     'chromium': True,
   },
-  'CreateStreamTextureCHROMIUM':  {
-    'type': 'HandWritten',
-    'impl_func': False,
-    'gen_cmd': False,
-    'extension': True,
-    'chromium': True,
-    'trace_level': 1,
-  },
   'TexImageIOSurface2DCHROMIUM': {
     'decoder_func': 'DoTexImageIOSurface2DCHROMIUM',
     'unit_test': False,