Support deps for actions in GN.

Previously GN did not write out any ninja code for deps and datadeps. This patch adds that and also documentation for how deps work for actions.

R=scottmg@chromium.org

Review URL: https://codereview.chromium.org/265703008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@267945 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 9 insertions, 5 deletions

diff --git a/tools/gn/ninja_target_writer_unittest.cc b/tools/gn/ninja_target_writer_unittest.cc
index d542147..6954cfa 100644
--- a/tools/gn/ninja_target_writer_unittest.cc
+++ b/tools/gn/ninja_target_writer_unittest.cc
@@ -21,8 +21,9 @@ class TestingNinjaTargetWriter : public NinjaTargetWriter {
   virtual void Run() OVERRIDE {}
 
   // Make this public so the test can call it.
-  std::string WriteInputDepsStampAndGetDep() {
-    return NinjaTargetWriter::WriteInputDepsStampAndGetDep();
+  std::string WriteInputDepsStampAndGetDep(
+      const std::vector<const Target*>& extra_hard_deps) {
+    return NinjaTargetWriter::WriteInputDepsStampAndGetDep(extra_hard_deps);
   }
 };
 
@@ -58,7 +59,8 @@ TEST(NinjaTargetWriter, WriteInputDepsStampAndGetDep) {
   {
     std::ostringstream stream;
     TestingNinjaTargetWriter writer(&base_target, setup.toolchain(), stream);
-    std::string dep = writer.WriteInputDepsStampAndGetDep();
+    std::string dep =
+        writer.WriteInputDepsStampAndGetDep(std::vector<const Target*>());
 
     EXPECT_TRUE(dep.empty());
     EXPECT_TRUE(stream.str().empty());
@@ -68,7 +70,8 @@ TEST(NinjaTargetWriter, WriteInputDepsStampAndGetDep) {
   {
     std::ostringstream stream;
     TestingNinjaTargetWriter writer(&target, setup.toolchain(), stream);
-    std::string dep = writer.WriteInputDepsStampAndGetDep();
+    std::string dep =
+        writer.WriteInputDepsStampAndGetDep(std::vector<const Target*>());
 
     EXPECT_EQ(" | obj/foo/target.inputdeps.stamp", dep);
     EXPECT_EQ("obj/foo/target.inputdeps.stamp: stamp "
@@ -81,7 +84,8 @@ TEST(NinjaTargetWriter, WriteInputDepsStampAndGetDep) {
   {
     std::ostringstream stream;
     TestingNinjaTargetWriter writer(&action, setup.toolchain(), stream);
-    std::string dep = writer.WriteInputDepsStampAndGetDep();
+    std::string dep =
+        writer.WriteInputDepsStampAndGetDep(std::vector<const Target*>());
 
     EXPECT_EQ(" | obj/foo/action.inputdeps.stamp", dep);
     EXPECT_EQ("obj/foo/action.inputdeps.stamp: stamp "