Add public deps to GN

tools/gn/command_refs.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 <map>
 #include <set>
 
 #include "base/command_line.h"
 #include "tools/gn/commands.h"
 #include "tools/gn/filesystem_utils.h"
@@ skipping 12 matching lines @@
 
 // Maps targets to the list of targets that depend on them.
 typedef std::multimap<const Target*, const Target*> DepMap;
 
 // Populates the reverse dependency map for the targets in the Setup.
 void FillDepMap(Setup* setup, DepMap* dep_map) {
   std::vector<const Target*> targets =
       setup->builder()->GetAllResolvedTargets();
 
   for (size_t target_i = 0; target_i < targets.size(); target_i++) {
-    const Target* target = targets[target_i];
-
-    // Add all deps to the map.
-    const LabelTargetVector& deps = target->deps();
-    for (size_t dep_i = 0; dep_i < deps.size(); dep_i++)
-      dep_map->insert(std::make_pair(deps[dep_i].ptr, target));
-
-    // Include data deps as well.
-    const LabelTargetVector& datadeps = target->datadeps();
-    for (size_t dep_i = 0; dep_i < datadeps.size(); dep_i++)
-      dep_map->insert(std::make_pair(datadeps[dep_i].ptr, target));
+    for (DepsIterator iter(targets[target_i]); !iter.done(); iter.Advance())
+      dep_map->insert(std::make_pair(iter.target(), targets[target_i]));
   }
 }
 
 // Returns the file path generating this item.
 base::FilePath FilePathForItem(const Item* item) {
   return item->defined_from()->GetRange().begin().file()->physical_name();
 }
 
 // Prints the targets which are the result of a query. This list is sorted
 // and, if as_files is set, the unique filenames matching those targets will
@@ skipping 229 matching lines @@
            cur_dep != dep_end; cur_dep++)
         results.insert(cur_dep->second);
     }
     OutputResultSet(results, files);
   }
 
   return 0;
 }
 
 }  // namespace commands