Fix CopyTexImage2D when using unsized internal formats

gpu/command_buffer/service/gles2_cmd_decoder_unittest_base.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 GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_
 #define GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 330 matching lines @@
       GLenum target,
       GLenum attachment,
       GLenum renderbuffer_target,
       GLuint renderbuffer_client_id,
       GLuint renderbuffer_service_id,
       GLenum error);
   void DoFramebufferTexture2D(
       GLenum target, GLenum attachment, GLenum tex_target,
       GLuint texture_client_id, GLuint texture_service_id,
       GLint level, GLenum error);
+  GLenum DoCheckFramebufferStatus(GLenum target);
   void DoVertexAttribPointer(
       GLuint index, GLint size, GLenum type, GLsizei stride, GLuint offset);
   void DoVertexAttribDivisorANGLE(GLuint index, GLuint divisor);
 
   void DoEnableDisable(GLenum cap, bool enable);
 
   void DoEnableVertexAttribArray(GLint index);
 
   void DoBufferData(GLenum target, GLsizei size);
 
@@ skipping 406 matching lines @@
 };
 
 // SpecializedSetup specializations that are needed in multiple unittest files.
 template <>
 void GLES2DecoderTestBase::SpecializedSetup<cmds::LinkProgram, 0>(bool valid);
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_GLES2_CMD_DECODER_UNITTEST_BASE_H_