Revert of Fix blits from multisampled renderbuffers to alpha:false WebGL back buffer.

gpu/command_buffer/service/gles2_cmd_decoder_autogen.h

Index: gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
diff --git a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
index 25237e25b8c3f5626b91247b3f9bf409acc52d19..fa2f5799cae41c7d5f95b989c84053ae85acbb1c 100644
--- a/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
+++ b/gpu/command_buffer/service/gles2_cmd_decoder_autogen.h
@@ -4778,24 +4778,6 @@ error::Error GLES2DecoderImpl::HandleBindTexImage2DCHROMIUM(
   return error::kNoError;
 }
 
-error::Error GLES2DecoderImpl::HandleBindTexImage2DWithInternalformatCHROMIUM(
-    uint32_t immediate_data_size,
-    const volatile void* cmd_data) {
-  const volatile gles2::cmds::BindTexImage2DWithInternalformatCHROMIUM& c =
-      *static_cast<const volatile gles2::cmds::
-                       BindTexImage2DWithInternalformatCHROMIUM*>(cmd_data);
-  GLenum target = static_cast<GLenum>(c.target);
-  GLenum internalformat = static_cast<GLenum>(c.internalformat);
-  GLint imageId = static_cast<GLint>(c.imageId);
-  if (!validators_->texture_bind_target.IsValid(target)) {
-    LOCAL_SET_GL_ERROR_INVALID_ENUM(
-        "glBindTexImage2DWithInternalformatCHROMIUM", target, "target");
-    return error::kNoError;
-  }
-  DoBindTexImage2DWithInternalformatCHROMIUM(target, internalformat, imageId);
-  return error::kNoError;
-}
-
 error::Error GLES2DecoderImpl::HandleReleaseTexImage2DCHROMIUM(
     uint32_t immediate_data_size,
     const volatile void* cmd_data) {