clang/win: Fix -Wmissing-braces warning.

sandbox/win/src/process_mitigations.cc

 // Copyright (c) 2012 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 "sandbox/win/src/process_mitigations.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
@@ skipping 161 matching lines @@
         ERROR_ACCESS_DENIED != ::GetLastError()) {
       return false;
     }
   }
 
   if (version < base::win::VERSION_WIN10)
     return true;
 
   // Enable font policies.
   if (flags & MITIGATION_NONSYSTEM_FONT_DISABLE) {
-    PROCESS_MITIGATION_FONT_DISABLE_POLICY policy = {0};
+    PROCESS_MITIGATION_FONT_DISABLE_POLICY policy = {};
     policy.DisableNonSystemFonts = true;
 
     if (!set_process_mitigation_policy(ProcessFontDisablePolicy, &policy,
                                        sizeof(policy)) &&
         ERROR_ACCESS_DENIED != ::GetLastError()) {
       return false;
     }
   }
 
   if (version < base::win::VERSION_WIN10_TH2)
     return true;
 
   // Enable image load policies.
   if (flags & MITIGATION_IMAGE_LOAD_NO_REMOTE ||
       flags & MITIGATION_IMAGE_LOAD_NO_LOW_LABEL) {
-    PROCESS_MITIGATION_IMAGE_LOAD_POLICY policy = {0};
+    PROCESS_MITIGATION_IMAGE_LOAD_POLICY policy = {};
     if (flags & MITIGATION_IMAGE_LOAD_NO_REMOTE)
       policy.NoRemoteImages = true;
     if (flags & MITIGATION_IMAGE_LOAD_NO_LOW_LABEL)
       policy.NoLowMandatoryLabelImages = true;
 
     if (!set_process_mitigation_policy(ProcessImageLoadPolicy, &policy,
                                        sizeof(policy)) &&
         ERROR_ACCESS_DENIED != ::GetLastError()) {
       return false;
     }
@@ skipping 176 matching lines @@
 }
 
 bool CanSetProcessMitigationsPreStartup(MitigationFlags flags) {
   // These mitigations cannot be enabled prior to startup.
   return !(flags & (MITIGATION_STRICT_HANDLE_CHECKS |
                     MITIGATION_DLL_SEARCH_ORDER));
 }
 
 }  // namespace sandbox