Enable loading native libraries with RTLD_DEEPBIND

base/test/BUILD.gn

Index: base/test/BUILD.gn
diff --git a/base/test/BUILD.gn b/base/test/BUILD.gn
index 8539348f6804fcef97d8bb7c919aade16ef69e58..886196c96e136393c5bfc7b75290ac478242a80c 100644
--- a/base/test/BUILD.gn
+++ b/base/test/BUILD.gn
@@ -267,6 +267,28 @@ static_library("run_all_unittests") {
   ]
 }
 
+# These sources are linked into both the base_unittests binary and the test
+# shared library target below.
+source_set("native_library_test_utils") {
+  testonly = true
+  sources = [
+    "native_library_test_utils.cc",
+    "native_library_test_utils.h",
+  ]
+}
+
+# This shared library is dynamically loaded by NativeLibrary unittests.
+shared_library("test_shared_library") {
+  testonly = true
+  sources = [
+    "test_shared_library.cc",
+  ]
+
+  deps = [
+    ":native_library_test_utils",
+  ]
+}
+
 static_library("run_all_base_unittests") {
   # Only targets in base should depend on this, targets outside base
   # should depend on run_all_unittests above.