Remove use of PRODUCT_STRING_PATH in chrome_elf.

chrome_elf/BUILD.gn

Index: chrome_elf/BUILD.gn
diff --git a/chrome_elf/BUILD.gn b/chrome_elf/BUILD.gn
index 53a29c879fefcb1eaff1e914f235e01965ac0da8..13748b616eaf2a0d1d652fec54ab83c677747352 100644
--- a/chrome_elf/BUILD.gn
+++ b/chrome_elf/BUILD.gn
@@ -79,6 +79,7 @@ source_set("security") {
   deps = [
     ":constants",
     ":nt_registry",
+    "//chrome/install_static:install_static_util",
   ]
 }
 
@@ -215,6 +216,7 @@ test("chrome_elf_unittests") {
     "//chrome",
     "//chrome/common:version_header",
     "//chrome/install_static:install_static_util",
+    "//chrome/install_static/test:test_support",
     "//sandbox",
     "//testing/gtest",
   ]