Convert Pass()→std::move() in //tools

tools/gn/builder_record.h

Index: tools/gn/builder_record.h
diff --git a/tools/gn/builder_record.h b/tools/gn/builder_record.h
index 0940cc8b1c127cf0504eb7224e6c0f2aa5df28fd..469b1cffd3c5cb57cfc356f56413448c069174c6 100644
--- a/tools/gn/builder_record.h
+++ b/tools/gn/builder_record.h
@@ -6,6 +6,7 @@
 #define TOOLS_GN_BUILDER_RECORD_H_
 
 #include <set>
+#include <utility>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
@@ -54,7 +55,7 @@ class BuilderRecord {
 
   Item* item() { return item_.get(); }
   const Item* item() const { return item_.get(); }
-  void set_item(scoped_ptr<Item> item) { item_ = item.Pass(); }
+  void set_item(scoped_ptr<Item> item) { item_ = std::move(item); }
 
   // Indicates from where this item was originally referenced from that caused
   // it to be loaded. For targets for which we encountered the declaration