base/win: Add documentation to RegKey::Read/Write functions.

chrome/app/breakpad_win.cc

 // Copyright (c) 2011 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 "chrome/app/breakpad_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 #include <tchar.h>
 
@@ skipping 548 matching lines @@
 // Since the configuration management infrastructure is not initialized at this
 // point, we read the corresponding registry key directly. The return status
 // indicates whether policy data was successfully read. If it is true, |result|
 // contains the value set by policy.
 static bool MetricsReportingControlledByPolicy(bool* result) {
   std::wstring key_name = UTF8ToWide(policy::key::kMetricsReportingEnabled);
   DWORD value = 0;
   // TODO(joshia): why hkcu_policy_key opens HKEY_LOCAL_MACHINE?
   base::win::RegKey hkcu_policy_key(HKEY_LOCAL_MACHINE,
                                     policy::kRegistrySubKey, KEY_READ);
-  if (hkcu_policy_key.ReadValueDW(key_name.c_str(), &value) == ERROR_SUCCESS) {
+  if (hkcu_policy_key.ReadValue(key_name.c_str(), &value) == ERROR_SUCCESS) {
     *result = value != 0;
     return true;
   }
 
   base::win::RegKey hklm_policy_key(HKEY_CURRENT_USER,
                                     policy::kRegistrySubKey, KEY_READ);
-  if (hklm_policy_key.ReadValueDW(key_name.c_str(), &value) == ERROR_SUCCESS) {
+  if (hklm_policy_key.ReadValue(key_name.c_str(), &value) == ERROR_SUCCESS) {
     *result = value != 0;
     return true;
   }
 
   return false;
 }
 
 static DWORD __stdcall InitCrashReporterThread(void* param) {
   scoped_ptr<CrashReporterInfo> info(
       reinterpret_cast<CrashReporterInfo*>(param));
@@ skipping 146 matching lines @@
       if (QueueUserWorkItem(
               &InitCrashReporterThread,
               info,
               WT_EXECUTELONGFUNCTION) == 0) {
         // We failed to queue to the worker pool, initialize in this thread.
         InitCrashReporterThread(info);
       }
     }
   }
 }