Move gpu jason file data generation to build time.

gpu/config/software_rendering_list_autogen.h

Index: gpu/config/software_rendering_list_autogen.h
diff --git a/gpu/config/software_rendering_list_autogen.h b/gpu/config/software_rendering_list_autogen.h
deleted file mode 100644
index ceb1a9de8b412a1a4fc5215774887b85a7031b56..0000000000000000000000000000000000000000
--- a/gpu/config/software_rendering_list_autogen.h
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright 2017 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/config/process_json.py
-// It's formatted by clang-format using chromium coding style:
-//    clang-format -i -style=chromium filename
-// DO NOT EDIT!
-
-#ifndef GPU_CONFIG_SOFTWARE_RENDERING_LIST_AUTOGEN_H_
-#define GPU_CONFIG_SOFTWARE_RENDERING_LIST_AUTOGEN_H_
-
-#include "gpu/config/gpu_control_list.h"
-
-namespace gpu {
-GPU_EXPORT extern const char kSoftwareRenderingListVersion[];
-GPU_EXPORT extern const size_t kSoftwareRenderingListEntryCount;
-GPU_EXPORT extern const GpuControlList::Entry kSoftwareRenderingListEntries[];
-}  // namespace gpu
-
-#endif  // GPU_CONFIG_SOFTWARE_RENDERING_LIST_AUTOGEN_H_