clang/win: Fix warnings to prepare for building without -Wno-reorder.

base/win/iat_patch_function.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 "base/win/iat_patch_function.h"
 
 #include "base/logging.h"
 #include "base/win/pe_image.h"
 
 namespace base {
@@ skipping 201 matching lines @@
                   &old_page_protection);
   } else {
     error = GetLastError();
   }
 
   return error;
 }
 
 IATPatchFunction::IATPatchFunction()
     : module_handle_(NULL),
+      intercept_function_(NULL),
       original_function_(NULL),
-      iat_thunk_(NULL),
-      intercept_function_(NULL) {
+      iat_thunk_(NULL) {
 }
 
 IATPatchFunction::~IATPatchFunction() {
   if (NULL != intercept_function_) {
     DWORD error = Unpatch();
     DCHECK_EQ(static_cast<DWORD>(NO_ERROR), error);
   }
 }
 
 DWORD IATPatchFunction::Patch(const wchar_t* module,
@@ skipping 63 matching lines @@
   return error;
 }
 
 void* IATPatchFunction::original_function() const {
   DCHECK(is_patched());
   return original_function_;
 }
 
 }  // namespace win
 }  // namespace base