Support explicit pools in actions

tools/gn/ninja_action_target_writer_unittest.cc

Index: tools/gn/ninja_action_target_writer_unittest.cc
diff --git a/tools/gn/ninja_action_target_writer_unittest.cc b/tools/gn/ninja_action_target_writer_unittest.cc
index ab871d106783eebb7aeb9c8278e57410d3183a6a..2d427656477c4d57bf8c22984651202b5cd1a989 100644
--- a/tools/gn/ninja_action_target_writer_unittest.cc
+++ b/tools/gn/ninja_action_target_writer_unittest.cc
@@ -8,6 +8,7 @@
 #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"
@@ -87,7 +88,10 @@ TEST(NinjaActionTargetWriter, ActionNoSourcesConsole) {
 
   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));