Support explicit pools in actions

tools/gn/ninja_action_target_writer.cc

Index: tools/gn/ninja_action_target_writer.cc
diff --git a/tools/gn/ninja_action_target_writer.cc b/tools/gn/ninja_action_target_writer.cc
index 9e5636237a3b16f77c324101f5e815e29494780c..74270a0d29a05e3c6e2482574c8797328138aa23 100644
--- a/tools/gn/ninja_action_target_writer.cc
+++ b/tools/gn/ninja_action_target_writer.cc
@@ -9,6 +9,7 @@
 #include "base/strings/string_util.h"
 #include "tools/gn/deps_iterator.h"
 #include "tools/gn/err.h"
+#include "tools/gn/pool.h"
 #include "tools/gn/settings.h"
 #include "tools/gn/string_utils.h"
 #include "tools/gn/substitution_writer.h"
@@ -76,8 +77,10 @@ void NinjaActionTargetWriter::Run() {
       WriteDepfile(SourceFile());
       out_ << std::endl;
     }
-    if (target_->action_values().is_console()) {
-      out_ << "  pool = console";
+    if (target_->action_values().pool().ptr) {
+      out_ << "  pool = ";
+      out_ << target_->action_values().pool().ptr->GetNinjaName(
+          settings_->default_toolchain_label());
       out_ << std::endl;
     }
   }
@@ -143,6 +146,13 @@ std::string NinjaActionTargetWriter::WriteRuleDefinition() {
   out_ << std::endl;
   out_ << "  description = ACTION " << target_label << std::endl;
   out_ << "  restat = 1" << std::endl;
+  const Tool* tool = target_->toolchain()->GetTool(Toolchain::TYPE_ACTION);
+  if (tool && tool->pool().ptr) {
+    out_ << "  pool = ";
+    out_ << tool->pool().ptr->GetNinjaName(
+        settings_->default_toolchain_label());
+    out_ << std::endl;
+  }
 
   return custom_rule_name;
 }