Convert //tools to use std::unique_ptr

tools/gn/scope.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_SCOPE_H_
 #define TOOLS_GN_SCOPE_H_
 
 #include <map>
+#include <memory>
 #include <set>
 #include <utility>
 
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "tools/gn/err.h"
 #include "tools/gn/pattern.h"
 #include "tools/gn/source_dir.h"
 #include "tools/gn/value.h"
 
 class FunctionCallNode;
 class ImportManager;
 class Item;
 class ParseNode;
@@ skipping 194 matching lines @@
                            const MergeOptions& options,
                            const ParseNode* node_for_err,
                            const char* desc_for_err,
                            Err* err) const;
 
   // Constructs a scope that is a copy of the current one. Nested scopes will
   // be collapsed until we reach a const containing scope. Private values will
   // be included. The resulting closure will reference the const containing
   // scope as its containing scope (since we assume the const scope won't
   // change, we don't have to copy its values).
-  scoped_ptr<Scope> MakeClosure() const;
+  std::unique_ptr<Scope> MakeClosure() const;
 
   // Makes an empty scope with the given name. Returns NULL if the name is
   // already set.
   Scope* MakeTargetDefaults(const std::string& target_type);
 
   // Gets the scope associated with the given target name, or null if it hasn't
   // been set.
   const Scope* GetTargetDefaults(const std::string& target_type) const;
 
   // Filter to apply when the sources variable is assigned. May return NULL.
   const PatternList* GetSourcesAssignmentFilter() const;
-  void set_sources_assignment_filter(
-      scoped_ptr<PatternList> f) {
+  void set_sources_assignment_filter(std::unique_ptr<PatternList> f) {
     sources_assignment_filter_ = std::move(f);
   }
 
   // Indicates if we're currently processing the build configuration file.
   // This is true when processing the config file for any toolchain.
   //
   // To set or clear the flag, it must currently be in the opposite state in
   // the current scope. Note that querying the state of the flag recursively
   // checks all containing scopes until it reaches the top or finds the flag
   // set.
@@ skipping 81 matching lines @@
   RecordMap values_;
 
   // Owning pointers. Note that this can't use string pieces since the names
   // are constructed from Values which might be deallocated before this goes
   // out of scope.
   typedef base::hash_map<std::string, Scope*> NamedScopeMap;
   NamedScopeMap target_defaults_;
 
   // Null indicates not set and that we should fallback to the containing
   // scope's filter.
-  scoped_ptr<PatternList> sources_assignment_filter_;
+  std::unique_ptr<PatternList> sources_assignment_filter_;
 
   // Owning pointers, must be deleted.
   typedef std::map<std::string, scoped_refptr<const Template> > TemplateMap;
   TemplateMap templates_;
 
   ItemVector* item_collector_;
 
   // Opaque pointers. See SetProperty() above.
   typedef std::map<const void*, void*> PropertyMap;
   PropertyMap properties_;
 
   typedef std::set<ProgrammaticProvider*> ProviderSet;
   ProviderSet programmatic_providers_;
 
   SourceDir source_dir_;
 
   DISALLOW_COPY_AND_ASSIGN(Scope);
 };
 
 #endif  // TOOLS_GN_SCOPE_H_