Split pdfium_unittests sources.

Move foo_unittest.cpp to the same BUILD.gn file as foo.cpp.
Set up dependencies to make pdfium_unittests pass gn check.

Change-Id: Id9f649d5d0c76fe4254f3887778516abb75fcbce
Reviewed-on: https://pdfium-review.googlesource.com/c/43995
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 21 insertions, 0 deletions

diff --git a/testing/test.gni b/testing/test.gni
index b69a0706ec..0bfac4666c 100644
--- a/testing/test.gni
+++ b/testing/test.gni
@@ -263,3 +263,24 @@ set_defaults("test") {
     configs = default_executable_configs
   }
 }
+
+template("pdfium_unittest_source_set") {
+  source_set(target_name) {
+    _pdfium_root_dir = rebase_path(invoker.pdfium_root_dir, ".")
+
+    testonly = true
+    sources = invoker.sources
+    configs += [ _pdfium_root_dir + ":pdfium_core_config" ]
+    if (defined(invoker.configs)) {
+      configs += invoker.configs
+    }
+    deps = [
+      _pdfium_root_dir + ":pdfium_unittest_deps",
+    ]
+    if (defined(invoker.deps)) {
+      deps += invoker.deps
+    }
+    visibility = [ _pdfium_root_dir + ":*" ]
+    forward_variables_from(invoker, [ "cflags" ])
+  }
+}