Working towards -Wextra...

gpu/command_buffer/common/id_allocator.cc

 // Copyright (c) 2009 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.
 
 // This file contains the implementation of IdAllocator.
 
 #include "../common/id_allocator.h"
 #include "../common/logging.h"
 
 namespace gpu {
 
 IdAllocator::IdAllocator() {
 }
 
 ResourceId IdAllocator::FindFirstFree() const {
   ResourceId id = 1;
   for (ResourceIdSet::const_iterator it = used_ids_.begin();
        it != used_ids_.end(); ++it) {
     if ((*it) != id) {
       return id;
     }
     ++id;
   }
   return id;
 }
 
 ResourceId IdAllocator::AllocateIDAtOrAbove(ResourceId desired_id) {
   DCHECK_LT(static_cast<ResourceId>(used_ids_.size()),
             static_cast<ResourceId>(-1));
-  for (; InUse(desired_id); ++desired_id);
+  for (; InUse(desired_id); ++desired_id) {}
   MarkAsUsed(desired_id);
   return desired_id;
 }
 
 }  // namespace gpu