Revert of gpu: introduce glCopySubTextureCHROMIUM

gpu/command_buffer/client/gles2_c_lib_autogen.h

Index: gpu/command_buffer/client/gles2_c_lib_autogen.h
diff --git a/gpu/command_buffer/client/gles2_c_lib_autogen.h b/gpu/command_buffer/client/gles2_c_lib_autogen.h
index 7e0da4b5902fbaaed84b405cdbeba39bd96349ef..87616e74a0dc6b324f1f92c54f8d87fefc7b9348 100644
--- a/gpu/command_buffer/client/gles2_c_lib_autogen.h
+++ b/gpu/command_buffer/client/gles2_c_lib_autogen.h
@@ -1158,18 +1158,11 @@
 void GLES2CopyTextureCHROMIUM(GLenum target,
                               GLenum source_id,
                               GLenum dest_id,
+                              GLint level,
                               GLint internalformat,
                               GLenum dest_type) {
-  gles2::GetGLContext()->CopyTextureCHROMIUM(target, source_id, dest_id,
+  gles2::GetGLContext()->CopyTextureCHROMIUM(target, source_id, dest_id, level,
                                              internalformat, dest_type);
-}
-void GLES2CopySubTextureCHROMIUM(GLenum target,
-                                 GLenum source_id,
-                                 GLenum dest_id,
-                                 GLint xoffset,
-                                 GLint yoffset) {
-  gles2::GetGLContext()->CopySubTextureCHROMIUM(target, source_id, dest_id,
-                                                xoffset, yoffset);
 }
 void GLES2DrawArraysInstancedANGLE(GLenum mode,
                                    GLint first,
@@ -2368,10 +2361,6 @@
      reinterpret_cast<GLES2FunctionPointer>(glCopyTextureCHROMIUM),
     },
     {
-     "glCopySubTextureCHROMIUM",
-     reinterpret_cast<GLES2FunctionPointer>(glCopySubTextureCHROMIUM),
-    },
-    {
      "glDrawArraysInstancedANGLE",
      reinterpret_cast<GLES2FunctionPointer>(glDrawArraysInstancedANGLE),
     },