Remove use of PRODUCT_STRING_PATH in chrome_elf.

chrome_elf/chrome_elf_constants.h

 // 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.
 
 // A handful of resource-like constants related to the ChromeELF.
 
 #ifndef CHROME_ELF_CHROME_ELF_CONSTANTS_H_
 #define CHROME_ELF_CHROME_ELF_CONSTANTS_H_
 
 #include <windows.h>
 
 namespace blacklist {
 
-// The registry path of the blacklist beacon.
-extern const wchar_t kRegistryBeaconPath[];
+// The name of the blacklist beacon registry key.
+extern const wchar_t kRegistryBeaconKeyName[];
 
 // The properties for the blacklist beacon.
 extern const wchar_t kBeaconVersion[];
 extern const wchar_t kBeaconState[];
 extern const wchar_t kBeaconAttemptCount[];
 
 // The number of failures that can occur on startup with the beacon enabled
 // before we give up and turn off the blacklist.
 extern const DWORD kBeaconMaxAttempts;
 
 // The states for the blacklist setup code.
 enum BlacklistState {
   BLACKLIST_DISABLED = 0,
   BLACKLIST_ENABLED,
   // The blacklist setup code is running. If this is the state at startup, it
   // means the last setup crashed.
   BLACKLIST_SETUP_RUNNING,
   // If the last setup crashed, we reassign the state to failed.
   BLACKLIST_SETUP_FAILED,
   // Always keep this at the end.
   BLACKLIST_STATE_MAX,
 };
 
 }  // namespace blacklist
 
 namespace elf_sec {
 
-// The registry path of the finch "emergency-off"
+// The name of the registry key holding the finch "emergency-off"
 // switch for sandbox::MITIGATION_EXTENSION_POINT_DISABLE.
-extern const wchar_t kRegSecurityFinchPath[];
+extern const wchar_t kRegSecurityFinchKeyName[];
 
-// The registry path for any early-browser security settings.
-extern const wchar_t kRegSecurityPath[];
-}
+}  // namespace elf_sec
 
 #endif  // CHROME_ELF_CHROME_ELF_CONSTANTS_H_