Add subscribeUniform extension pipeline

ui/gl/gl_bindings.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GL_GL_BINDINGS_H_
 #define UI_GL_GL_BINDINGS_H_
 
 // Includes the platform independent and platform dependent GL headers.
 // Only include this in cc files. It pulls in system headers, including
 // the X11 headers on linux, which define all kinds of macros that are
@@ skipping 125 matching lines @@
 #define GL_SCANOUT_CHROMIUM                              0x78F2
 
 // GL_CHROMIUM_schedule_overlay_plane
 #define GL_OVERLAY_TRANSFORM_NONE_CHROMIUM               0x9245
 #define GL_OVERLAY_TRANSFORM_FLIP_HORIZONTAL_CHROMIUM    0x9246
 #define GL_OVERLAY_TRANSFORM_FLIP_VERTICAL_CHROMIUM      0x9247
 #define GL_OVERLAY_TRANSFORM_ROTATE_90_CHROMIUM          0x9248
 #define GL_OVERLAY_TRANSFORM_ROTATE_180_CHROMIUM         0x9249
 #define GL_OVERLAY_TRANSFORM_ROTATE_270_CHROMIUM         0x924A
 
+// GL_CHROMIUM_subscribe_uniforms
+#define GL_SUBSCRIBED_VALUES_BUFFER_CHROMIUM             0x924B
+#define GL_MOUSE_POSITION_CHROMIUM                       0x924C
+
 // GL_OES_texure_3D
 #define GL_SAMPLER_3D_OES                                0x8B5F
 
 // GL_OES_depth24
 #define GL_DEPTH_COMPONENT24_OES                         0x81A6
 
 // GL_OES_depth32
 #define GL_DEPTH_COMPONENT32_OES                         0x81A7
 
 // GL_OES_packed_depth_stencil
@@ skipping 251 matching lines @@
 #elif defined(OS_ANDROID)
 
 GL_EXPORT extern EGLApi* g_current_egl_context;
 GL_EXPORT extern DriverEGL g_driver_egl;
 
 #endif
 
 }  // namespace gfx
 
 #endif  // UI_GL_GL_BINDINGS_H_