Add public deps to GN

tools/gn/ninja_group_target_writer_unittest.cc

 // Copyright 2014 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 "testing/gtest/include/gtest/gtest.h"
 #include "tools/gn/ninja_group_target_writer.h"
 #include "tools/gn/target.h"
 #include "tools/gn/test_with_scope.h"
 
 TEST(NinjaGroupTargetWriter, Run) {
   TestWithScope setup;
   Err err;
 
   setup.build_settings()->SetBuildDir(SourceDir("//out/Debug/"));
   Target target(setup.settings(), Label(SourceDir("//foo/"), "bar"));
 
   target.set_output_type(Target::GROUP);
+  target.visibility().SetPublic();
 
   Target dep(setup.settings(), Label(SourceDir("//foo/"), "dep"));
   dep.set_output_type(Target::ACTION);
+  dep.visibility().SetPublic();
   dep.SetToolchain(setup.toolchain());
   ASSERT_TRUE(dep.OnResolved(&err));
 
   Target dep2(setup.settings(), Label(SourceDir("//foo/"), "dep2"));
   dep2.set_output_type(Target::ACTION);
+  dep2.visibility().SetPublic();
   dep2.SetToolchain(setup.toolchain());
   ASSERT_TRUE(dep2.OnResolved(&err));
 
   Target datadep(setup.settings(), Label(SourceDir("//foo/"), "datadep"));
   datadep.set_output_type(Target::ACTION);
+  datadep.visibility().SetPublic();
   datadep.SetToolchain(setup.toolchain());
   ASSERT_TRUE(datadep.OnResolved(&err));
 
-  target.deps().push_back(LabelTargetPair(&dep));
-  target.deps().push_back(LabelTargetPair(&dep2));
-  target.datadeps().push_back(LabelTargetPair(&datadep));
+  target.public_deps().push_back(LabelTargetPair(&dep));
+  target.public_deps().push_back(LabelTargetPair(&dep2));
+  target.data_deps().push_back(LabelTargetPair(&datadep));
 
   target.SetToolchain(setup.toolchain());
   ASSERT_TRUE(target.OnResolved(&err));
 
   std::ostringstream out;
   NinjaGroupTargetWriter writer(&target, out);
   writer.Run();
 
   const char expected[] =
       "build obj/foo/bar.stamp: stamp obj/foo/dep.stamp obj/foo/dep2.stamp || obj/foo/datadep.stamp\n";
   EXPECT_EQ(expected, out.str());
 }