Regkey functions return error code instead of bool

ceee/ie/plugin/toolband/toolband_proxy.cc

 // Copyright (c) 2010 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 "ceee/ie/plugin/toolband/toolband_proxy.h"
 
 #include <atlbase.h>
 #include "base/logging.h"
 #include "base/stringprintf.h"
 #include "base/win/registry.h"
 #include "ceee/common/com_utils.h"
@@ skipping 33 matching lines @@
 
 #ifndef NDEBUG
 void CheckAsyncIidRegistered(const IID& iid, const IID& async_iid) {
   std::wstring iid_str;
   bool success = com::GuidToString(iid, &iid_str);
   DCHECK(success);
   std::wstring key_name = base::StringPrintf(
       L"Interface\\%ls\\AsynchronousInterface", iid_str.c_str());
 
   base::win::RegKey key;
-  if (key.Open(HKEY_CLASSES_ROOT, key_name.c_str(), KEY_READ)) {
+  LONG result = key.Open(HKEY_CLASSES_ROOT, key_name.c_str(), KEY_READ);
+  if (result == ERROR_SUCCESS) {
     // It's registered, the rest of this block is debug checking that
     // the correct IID is indeed registered for the async interface.
     std::wstring async_iid_str;
-    DCHECK(key.ReadValue(NULL, &async_iid_str));
+    DCHECK_EQ(ERROR_SUCCESS, key.ReadValue(NULL, &async_iid_str));
     IID read_async_iid;
     DCHECK(SUCCEEDED(::IIDFromString(async_iid_str.c_str(), &read_async_iid)));
     DCHECK(read_async_iid == async_iid);
   } else {
     LOG(WARNING) << "Sync->Async IID not registered. Key=" << key_name;
   }
 }
 #endif  // NDEBUG
 
 }  // namespace
@@ skipping 72 matching lines @@
       if (FAILED(hr)) {
         LOG(ERROR) << "Failed to register async interface for " <<
             info.name << com::LogHr(hr);
         return false;
       }
     }
   }
 
   return true;
 }