Revert 48186, 48196, 48198

base/iat_patch.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2008 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/iat_patch.h"
 #include "base/logging.h"
 
 namespace iat_patch {
 
 struct InterceptFunctionInformation {
   bool finished_operation;
@@ skipping 159 matching lines @@
 IATPatchFunction::IATPatchFunction()
     : module_handle_(NULL),
       original_function_(NULL),
       iat_thunk_(NULL),
       intercept_function_(NULL) {
 }
 
 IATPatchFunction::~IATPatchFunction() {
   if (NULL != intercept_function_) {
     DWORD error = Unpatch();
-    DCHECK(error == NO_ERROR);
+    DCHECK_EQ(NO_ERROR, error);
   }
 }
 
 DWORD IATPatchFunction::Patch(const wchar_t* module,
                               const char* imported_from_module,
                               const char* function_name,
                               void* new_function) {
   DCHECK_EQ(static_cast<void*>(NULL), original_function_);
   DCHECK_EQ(static_cast<IMAGE_THUNK_DATA*>(NULL), iat_thunk_);
   DCHECK_EQ(static_cast<void*>(NULL), intercept_function_);
@@ skipping 39 matching lines @@
     FreeLibrary(module_handle_);
   module_handle_ = NULL;
   intercept_function_ = NULL;
   original_function_ = NULL;
   iat_thunk_ = NULL;
 
   return error;
 }
 
 }  // namespace iat_patch