Remove use of PRODUCT_STRING_PATH in chrome_elf.

chrome_elf/chrome_elf_util_unittest.cc

 // Copyright 2014 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 <tuple>
 #include <windows.h>
 #include <versionhelpers.h>  // windows.h must be before.
 
 #include "base/test/test_reg_util_win.h"
 #include "base/win/registry.h"
+#include "chrome/install_static/install_util.h"
 #include "chrome_elf/chrome_elf_constants.h"
 #include "chrome_elf/chrome_elf_security.h"
 #include "chrome_elf/nt_registry/nt_registry.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 bool SetSecurityFinchFlag(bool creation) {
   bool success = true;
+  const base::string16 finch_path(install_static::GetRegistryPath().append(
+      elf_sec::kRegSecurityFinchKeyName));
   base::win::RegKey security_key(HKEY_CURRENT_USER, L"", KEY_ALL_ACCESS);
 
   if (creation) {
     if (ERROR_SUCCESS !=
-        security_key.CreateKey(elf_sec::kRegSecurityFinchPath, KEY_QUERY_VALUE))
+        security_key.CreateKey(finch_path.c_str(), KEY_QUERY_VALUE))
       success = false;
   } else {
-    if (ERROR_SUCCESS != security_key.DeleteKey(elf_sec::kRegSecurityFinchPath))
+    if (ERROR_SUCCESS != security_key.DeleteKey(finch_path.c_str()))
       success = false;
   }
 
   security_key.Close();
   return success;
 }
 
 bool IsSecuritySet() {
   typedef decltype(GetProcessMitigationPolicy)* GetProcessMitigationPolicyFunc;
 
@@ skipping 56 matching lines @@
   EXPECT_TRUE(SetSecurityFinchFlag(false));
 
   // Second, test that the process mitigation is set when no finch signal.
   elf_security::EarlyBrowserSecurity();
   EXPECT_TRUE(IsSecuritySet());
 
   ASSERT_NO_FATAL_FAILURE(CancelRegRedirect(nt::HKCU));
 }
 
 }  // namespace