Support explicit pools in actions

tools/gn/ninja_action_target_writer_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 <algorithm>
 #include <sstream>
 
 #include "build/build_config.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/ninja_action_target_writer.h"
+#include "tools/gn/pool.h"
 #include "tools/gn/substitution_list.h"
 #include "tools/gn/target.h"
 #include "tools/gn/test_with_scope.h"
 
 TEST(NinjaActionTargetWriter, WriteOutputFilesForBuildLine) {
   Err err;
   TestWithScope setup;
 
   Target target(setup.settings(), Label(SourceDir("//foo/"), "bar"));
   target.set_output_type(Target::ACTION_FOREACH);
@@ skipping 59 matching lines @@
   TestWithScope setup;
 
   Target target(setup.settings(), Label(SourceDir("//foo/"), "bar"));
   target.set_output_type(Target::ACTION);
 
   target.action_values().set_script(SourceFile("//foo/script.py"));
   target.inputs().push_back(SourceFile("//foo/included.txt"));
 
   target.action_values().outputs() =
       SubstitutionList::MakeForTest("//out/Debug/foo.out");
-  target.action_values().set_console(true);
+
+  Pool pool(setup.settings(), Label(SourceDir("//foo/"), "pool"));
+  pool.set_console(true);
+  target.action_values().set_pool(LabelPtrPair<Pool>(&pool));
 
   target.SetToolchain(setup.toolchain());
   ASSERT_TRUE(target.OnResolved(&err));
 
   setup.build_settings()->set_python_path(base::FilePath(FILE_PATH_LITERAL(
       "/usr/bin/python")));
 
   std::ostringstream out;
   NinjaActionTargetWriter writer(&target, out);
   writer.Run();
@@ skipping 245 matching lines @@
       // Necessary for the rspfile defined in the rule.
       "  unique_name = 0\n"
       // Substitution for the args.
       "  source_file_part = input1.txt\n"
       // Substitution for the rspfile contents.
       "  source_name_part = input1\n"
       "\n"
       "build obj/foo/bar.stamp: stamp input1.out\n";
   EXPECT_EQ(expected_linux, out.str());
 }