Remove use of PRODUCT_STRING_PATH in chrome_elf.

chrome_elf/run_all_unittests.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "build/build_config.h"
+#include "chrome/install_static/test/scoped_install_details.h"
 
 int main(int argc, char** argv) {
   // Ensure that the CommandLine instance honors the command line passed in
   // instead of the default behavior on Windows which is to use the shell32
   // CommandLineToArgvW API. The chrome_elf_unittests test suite should not
   // depend on user32 directly or indirectly (For the curious shell32 depends
   // on user32)
   base::CommandLine::InitUsingArgvForTesting(argc, argv);
+
+  install_static::ScopedInstallDetails scoped_install_details;
+
   base::TestSuite test_suite(argc, argv);
   int ret = base::LaunchUnitTests(
       argc, argv,
       base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
   return ret;
 }