replace COMPILE_ASSERT with static_assert in chrome/browser/

chrome/browser/prefs/proxy_prefs.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 "chrome/browser/prefs/proxy_prefs.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 
 namespace ProxyPrefs {
 
 namespace {
 
 // These names are exposed to the proxy extension API. They must be in sync
 // with the constants of ProxyPrefs.
 const char* kProxyModeNames[] = { kDirectProxyModeName,
                                   kAutoDetectProxyModeName,
                                   kPacScriptProxyModeName,
                                   kFixedServersProxyModeName,
                                   kSystemProxyModeName };
 
-COMPILE_ASSERT(arraysize(kProxyModeNames) == kModeCount,
-               kProxyModeNames_must_have_size_of_NUM_MODES);
+static_assert(arraysize(kProxyModeNames) == kModeCount,
+              "kProxyModeNames must have kModeCount elements");
 
 }  // namespace
 
 const char kDirectProxyModeName[] = "direct";
 const char kAutoDetectProxyModeName[] = "auto_detect";
 const char kPacScriptProxyModeName[] = "pac_script";
 const char kFixedServersProxyModeName[] = "fixed_servers";
 const char kSystemProxyModeName[] = "system";
 
 bool IntToProxyMode(int in_value, ProxyMode* out_value) {
@@ skipping 30 matching lines @@
     case CONFIG_FALLBACK:
       return "config_fallback";
     case CONFIG_UNSET:
       return "config_unset";
   }
   NOTREACHED();
   return "";
 }
 
 }  // namespace ProxyPrefs