Remove the "target" argument from CopyTextureChromium.

mojo/gpu/mojo_gles2_impl_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 673 matching lines @@
                                       char* source) override;
   void PostSubBufferCHROMIUM(GLint x,
                              GLint y,
                              GLint width,
                              GLint height) override;
   void TexImageIOSurface2DCHROMIUM(GLenum target,
                                    GLsizei width,
                                    GLsizei height,
                                    GLuint ioSurfaceId,
                                    GLuint plane) override;
-  void CopyTextureCHROMIUM(GLenum target,
-                           GLenum source_id,
+  void CopyTextureCHROMIUM(GLenum source_id,
                            GLenum dest_id,
                            GLint internalformat,
                            GLenum dest_type,
                            GLboolean unpack_flip_y,
                            GLboolean unpack_premultiply_alpha,
                            GLboolean unpack_unmultiply_alpha) override;
-  void CopySubTextureCHROMIUM(GLenum target,
-                              GLenum source_id,
+  void CopySubTextureCHROMIUM(GLenum source_id,
                               GLenum dest_id,
                               GLint xoffset,
                               GLint yoffset,
                               GLint x,
                               GLint y,
                               GLsizei width,
                               GLsizei height,
                               GLboolean unpack_flip_y,
                               GLboolean unpack_premultiply_alpha,
                               GLboolean unpack_unmultiply_alpha) override;
@@ skipping 188 matching lines @@
                                GLuint colorNumber,
                                const char* name) override;
   GLint GetFragDataIndexEXT(GLuint program, const char* name) override;
 
  private:
   MojoGLES2Context context_;
 };
 
 }  // namespace mojo
 #endif  // MOJO_GPU_MOJO_GLES2_IMPL_AUTOGEN_H_