Support explicit pools in actions

tools/gn/action_values.h

Index: tools/gn/action_values.h
diff --git a/tools/gn/action_values.h b/tools/gn/action_values.h
index 879ccf6ef694a315c820c0d6e3bf5d107436293e..806a39f8c641f78a63b6d7900dc09e33ee96dd87 100644
--- a/tools/gn/action_values.h
+++ b/tools/gn/action_values.h
@@ -9,9 +9,11 @@
 #include <vector>
 
 #include "base/macros.h"
+#include "tools/gn/label_ptr.h"
 #include "tools/gn/source_file.h"
 #include "tools/gn/substitution_list.h"
 
+class Pool;
 class Target;
 
 // Holds the values (outputs, args, script name, etc.) for either an action or
@@ -50,9 +52,9 @@ class ActionValues {
   }
   bool uses_rsp_file() const { return !rsp_file_contents_.list().empty(); }
 
-  // Console pool option
-  bool is_console() const { return console_; }
-  void set_console(bool value) { console_ = value; }
+  // Pool option
+  const LabelPtrPair<Pool>& pool() const { return pool_; }
+  void set_pool(LabelPtrPair<Pool> pool) { pool_ = std::move(pool); }
 
  private:
   SourceFile script_;
@@ -60,7 +62,7 @@ class ActionValues {
   SubstitutionList outputs_;
   SubstitutionPattern depfile_;
   SubstitutionList rsp_file_contents_;
-  bool console_;
+  LabelPtrPair<Pool> pool_;
 
   DISALLOW_COPY_AND_ASSIGN(ActionValues);
 };