Revert 214254 "Add initial prototype for the GN meta-buildsystem."

trunk/src/tools/gn/ninja_build_writer.h

-// Copyright (c) 2013 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 TOOLS_GN_NINJA_BUILD_WRITER_H_
-#define TOOLS_GN_NINJA_BUILD_WRITER_H_
-
-#include <iosfwd>
-#include <vector>
-
-#include "tools/gn/ninja_helper.h"
-#include "tools/gn/path_output.h"
-
-class BuildSettings;
-class Settings;
-class Target;
-
-// Generates the toplevel "build.ninja" file. This references the individual
-// toolchain files and lists all input .gn files as dependencies of the
-// build itself.
-class NinjaBuildWriter {
- public:
-  static bool RunAndWriteFile(
-      const BuildSettings* settings,
-      const std::vector<const Settings*>& all_settings,
-      const std::vector<const Target*>& default_toolchain_targets);
-
- private:
-  NinjaBuildWriter(const BuildSettings* settings,
-                   const std::vector<const Settings*>& all_settings,
-                   const std::vector<const Target*>& default_toolchain_targets,
-                   std::ostream& out);
-  ~NinjaBuildWriter();
-
-  void Run();
-
-  void WriteNinjaRules();
-  void WriteSubninjas();
-  void WritePhonyAndAllRules();
-
-  const BuildSettings* build_settings_;
-  std::vector<const Settings*> all_settings_;
-  std::vector<const Target*> default_toolchain_targets_;
-  std::ostream& out_;
-  PathOutput path_output_;
-
-  NinjaHelper helper_;
-
-  DISALLOW_COPY_AND_ASSIGN(NinjaBuildWriter);
-};
-
-#endif  // TOOLS_GN_NINJA_BUILD_GENERATOR_H_
-