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

trunk/src/tools/gn/input_file.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_INPUT_FILE_H_
-#define TOOLS_GN_INPUT_FILE_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "tools/gn/source_dir.h"
-#include "tools/gn/source_file.h"
-
-class InputFile {
- public:
-  InputFile(const SourceFile& name);
-
-  // Constructor for testing. Uses an empty file path and a given contents.
-  //InputFile(const char* contents);
-  ~InputFile();
-
-  const SourceFile& name() const { return name_; }
-
-  // The directory is just a cached version of name_->GetDir() but we get this
-  // a lot so computing it once up front saves a bunch of work.
-  const SourceDir& dir() const { return dir_; }
-
-  const std::string& contents() const {
-    DCHECK(contents_loaded_);
-    return contents_;
-  }
-
-  // For testing and in cases where this input doesn't actually refer to
-  // "a file".
-  void SetContents(const std::string& c);
-
-  // Loads the given file synchronously, returning true on success. This
-  bool Load(const base::FilePath& system_path);
-
- private:
-  SourceFile name_;
-  SourceDir dir_;
-
-  bool contents_loaded_;
-  std::string contents_;
-
-  DISALLOW_COPY_AND_ASSIGN(InputFile);
-};
-
-#endif  // TOOLS_GN_INPUT_FILE_H_