Allow binding multiple textures to one DC Layer overlay.

gpu/command_buffer/client/gles2_cmd_helper_autogen.h

 // Copyright 2014 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.
 
 // This file is auto-generated from
 // gpu/command_buffer/build_gles2_cmd_buffer.py
 // It's formatted by clang-format using chromium coding style:
 //    clang-format -i -style=chromium filename
 // DO NOT EDIT!
 
@@ skipping 2818 matching lines @@
                                         GLint z_order,
                                         GLuint shm_id,
                                         GLuint shm_offset) {
   gles2::cmds::ScheduleDCLayerSharedStateCHROMIUM* c =
       GetCmdSpace<gles2::cmds::ScheduleDCLayerSharedStateCHROMIUM>();
   if (c) {
     c->Init(opacity, is_clipped, z_order, shm_id, shm_offset);
   }
 }
 
-void ScheduleDCLayerCHROMIUM(GLuint contents_texture_id,
+void ScheduleDCLayerCHROMIUM(GLsizei num_textures,
                              GLuint background_color,
                              GLuint edge_aa_mask,
                              GLuint filter,
                              GLuint shm_id,
                              GLuint shm_offset) {
   gles2::cmds::ScheduleDCLayerCHROMIUM* c =
       GetCmdSpace<gles2::cmds::ScheduleDCLayerCHROMIUM>();
   if (c) {
-    c->Init(contents_texture_id, background_color, edge_aa_mask, filter, shm_id,
+    c->Init(num_textures, background_color, edge_aa_mask, filter, shm_id,
             shm_offset);
   }
 }
 
 void MatrixLoadfCHROMIUMImmediate(GLenum matrixMode, const GLfloat* m) {
   const uint32_t size =
       gles2::cmds::MatrixLoadfCHROMIUMImmediate::ComputeSize();
   gles2::cmds::MatrixLoadfCHROMIUMImmediate* c =
       GetImmediateCmdSpaceTotalSize<gles2::cmds::MatrixLoadfCHROMIUMImmediate>(
           size);
@@ skipping 383 matching lines @@
 
 void SetEnableDCLayersCHROMIUM(GLboolean enabled) {
   gles2::cmds::SetEnableDCLayersCHROMIUM* c =
       GetCmdSpace<gles2::cmds::SetEnableDCLayersCHROMIUM>();
   if (c) {
     c->Init(enabled);
   }
 }
 
 #endif  // GPU_COMMAND_BUFFER_CLIENT_GLES2_CMD_HELPER_AUTOGEN_H_