Convert //tools to use std::unique_ptr

tools/gn/build_settings.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_BUILD_SETTINGS_H_
 #define TOOLS_GN_BUILD_SETTINGS_H_
 
 #include <map>
+#include <memory>
 #include <set>
 #include <utility>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "tools/gn/args.h"
 #include "tools/gn/scope.h"
 #include "tools/gn/source_dir.h"
 #include "tools/gn/source_file.h"
 
 class Item;
 
 // Settings for one build, which is one toplevel output directory. There
 // may be multiple Settings objects that refer to this, one for each toolchain.
 class BuildSettings {
  public:
-  typedef base::Callback<void(scoped_ptr<Item>)> ItemDefinedCallback;
+  typedef base::Callback<void(std::unique_ptr<Item>)> ItemDefinedCallback;
   typedef base::Callback<void(const std::string&)> PrintCallback;
 
   BuildSettings();
   BuildSettings(const BuildSettings& other);
   ~BuildSettings();
 
   // Absolute path of the source root on the local system. Everything is
   // relative to this. Does not end in a [back]slash.
   const base::FilePath& root_path() const { return root_path_; }
   const std::string& root_path_utf8() const { return root_path_utf8_; }
@@ skipping 29 matching lines @@
   base::FilePath GetFullPath(const SourceFile& file) const;
   base::FilePath GetFullPath(const SourceDir& dir) const;
 
   // Returns the absolute OS path inside the secondary source path. Will return
   // an empty FilePath if the secondary source path is empty. When loading a
   // buildfile, the GetFullPath should always be consulted first.
   base::FilePath GetFullPathSecondary(const SourceFile& file) const;
   base::FilePath GetFullPathSecondary(const SourceDir& dir) const;
 
   // Called when an item is defined from a background thread.
-  void ItemDefined(scoped_ptr<Item> item) const;
+  void ItemDefined(std::unique_ptr<Item> item) const;
   void set_item_defined_callback(ItemDefinedCallback cb) {
     item_defined_callback_ = cb;
   }
 
   // Defines a callback that will be used to override the behavior of the
   // print function. This is used in tests to collect print output. If the
   // callback is is_null() (the default) the output will be printed to the
   // console.
   const PrintCallback& print_callback() const { return print_callback_; }
   void set_print_callback(const PrintCallback& cb) { print_callback_ = cb; }
 
   // A list of files that can call exec_script(). If the returned pointer is
   // null, exec_script may be called from anywhere.
   const std::set<SourceFile>* exec_script_whitelist() const {
     return exec_script_whitelist_.get();
   }
-  void set_exec_script_whitelist(scoped_ptr<std::set<SourceFile>> list) {
+  void set_exec_script_whitelist(std::unique_ptr<std::set<SourceFile>> list) {
     exec_script_whitelist_ = std::move(list);
   }
 
   // When set (the default), code should perform normal validation of inputs
   // and structures, like undefined or possibly incorrectly used things. For
   // some interrogation commands, we don't care about this and actually want
   // to allow the user to check the structure of the build to solve their
   // problem, and these checks are undesirable.
   bool check_for_bad_items() const {
     return check_for_bad_items_;
   }
   void set_check_for_bad_items(bool c) {
     check_for_bad_items_ = c;
   }
 
  private:
   base::FilePath root_path_;
   std::string root_path_utf8_;
   base::FilePath secondary_source_path_;
   base::FilePath python_path_;
 
   SourceFile build_config_file_;
   SourceDir build_dir_;
   Args build_args_;
 
   ItemDefinedCallback item_defined_callback_;
   PrintCallback print_callback_;
 
-  scoped_ptr<std::set<SourceFile>> exec_script_whitelist_;
+  std::unique_ptr<std::set<SourceFile>> exec_script_whitelist_;
 
   bool check_for_bad_items_;
 
   BuildSettings& operator=(const BuildSettings& other);  // Disallow.
 };
 
 #endif  // TOOLS_GN_BUILD_SETTINGS_H_