Convert //tools to use std::unique_ptr

tools/gn/target_unittest.cc

 // 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.
 
 #include "tools/gn/target.h"
 
 #include <utility>
 
 #include "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/build_settings.h"
@@ skipping 413 matching lines @@
   ASSERT_TRUE(forward.OnResolved(&err));
 }
 
 // Tests that different link/depend outputs work for solink tools.
 TEST(Target, LinkAndDepOutputs) {
   TestWithScope setup;
   Err err;
 
   Toolchain toolchain(setup.settings(), Label(SourceDir("//tc/"), "tc"));
 
-  scoped_ptr<Tool> solink_tool(new Tool());
+  std::unique_ptr<Tool> solink_tool(new Tool());
   solink_tool->set_output_prefix("lib");
   solink_tool->set_default_output_extension(".so");
 
   const char kLinkPattern[] =
       "{{root_out_dir}}/{{target_output_name}}{{output_extension}}";
   SubstitutionPattern link_output = SubstitutionPattern::MakeForTest(
       kLinkPattern);
   solink_tool->set_link_output(link_output);
 
   const char kDependPattern[] =
@@ skipping 18 matching lines @@
 }
 
 // Tests that runtime_link output works without an explicit link_output for
 // solink tools.
 TEST(Target, RuntimeLinkOuput) {
   TestWithScope setup;
   Err err;
 
   Toolchain toolchain(setup.settings(), Label(SourceDir("//tc/"), "tc"));
 
-  scoped_ptr<Tool> solink_tool(new Tool());
+  std::unique_ptr<Tool> solink_tool(new Tool());
   solink_tool->set_output_prefix("");
   solink_tool->set_default_output_extension(".dll");
 
   const char kLibPattern[] =
       "{{root_out_dir}}/{{target_output_name}}{{output_extension}}.lib";
   SubstitutionPattern lib_output =
       SubstitutionPattern::MakeForTest(kLibPattern);
 
   const char kDllPattern[] =
       "{{root_out_dir}}/{{target_output_name}}{{output_extension}}";
@@ skipping 392 matching lines @@
   ASSERT_EQ(c.bundle_data().file_rules().size(), 1u);
   ASSERT_EQ(c.bundle_data().file_rules()[0].sources().size(), 1u);
   ASSERT_EQ(c.bundle_data().bundle_deps().size(), 1u);
 
   // E does not have any bundle_data information but gets a list of
   // bundle_deps to propagate them during target resolution.
   ASSERT_TRUE(e.bundle_data().file_rules().empty());
   ASSERT_TRUE(e.bundle_data().asset_catalog_sources().empty());
   ASSERT_EQ(e.bundle_data().bundle_deps().size(), 2u);
 }