Add public deps to GN

tools/gn/ninja_group_target_writer.cc

Index: tools/gn/ninja_group_target_writer.cc
diff --git a/tools/gn/ninja_group_target_writer.cc b/tools/gn/ninja_group_target_writer.cc
index 1b1c30057c1277cd0d66305ae7f589ba21d6dbc1..d185941c0a053e180713e74400a4f0badf65e634 100644
--- a/tools/gn/ninja_group_target_writer.cc
+++ b/tools/gn/ninja_group_target_writer.cc
@@ -19,16 +19,16 @@ NinjaGroupTargetWriter::~NinjaGroupTargetWriter() {
 
 void NinjaGroupTargetWriter::Run() {
   // A group rule just generates a stamp file with dependencies on each of
-  // the deps and datadeps in the group.
+  // the deps and data_deps in the group.
   std::vector<OutputFile> output_files;
-  const LabelTargetVector& deps = target_->deps();
-  for (size_t i = 0; i < deps.size(); i++)
-    output_files.push_back(deps[i].ptr->dependency_output_file());
+  for (DepsIterator iter(target_, DepsIterator::LINKED_ONLY);
+       !iter.done(); iter.Advance())
+    output_files.push_back(iter.target()->dependency_output_file());
 
   std::vector<OutputFile> data_output_files;
-  const LabelTargetVector& datadeps = target_->datadeps();
-  for (size_t i = 0; i < datadeps.size(); i++)
-    data_output_files.push_back(datadeps[i].ptr->dependency_output_file());
+  const LabelTargetVector& data_deps = target_->data_deps();
+  for (size_t i = 0; i < data_deps.size(); i++)
+    data_output_files.push_back(data_deps[i].ptr->dependency_output_file());
 
   WriteStampForTarget(output_files, data_output_files);
 }