Add static domain security state generator tool.

net/BUILD.gn

Index: net/BUILD.gn
diff --git a/net/BUILD.gn b/net/BUILD.gn
index ecb397ca087293767b19121e3f9d30c2c7feb5ea..a2f916213ca9e3d768636a8610831718059ff25c 100644
--- a/net/BUILD.gn
+++ b/net/BUILD.gn
@@ -3,6 +3,7 @@
 # found in the LICENSE file.
 
 import("//build/buildflag_header.gni")
+import("//build/compiled_action.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
@@ -2062,3 +2063,11 @@ fuzzer_test("net_http_security_headers_hpkp_report_only_fuzzer") {
   ]
   dict = "data/fuzzer_dictionaries/net_http_security_headers_fuzzer.dict"
 }
+
+executable("domain_security_preload_generator") {
+  sources = gypi_values.net_domain_security_state_generator_sources
+  deps = [
+    "//base",
+    "//third_party/boringssl",
+  ]
+}