Working towards -Wextra...

chrome/browser/cocoa/objc_zombie.mm

 // 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.
 
 #import "chrome/browser/cocoa/objc_zombie.h"
 
 #include <dlfcn.h>
 #include <mach-o/dyld.h>
 #include <mach-o/nlist.h>
 
@@ skipping 257 matching lines @@
 
 BOOL ZombieEnable(BOOL zombieAllObjects,
                   size_t zombieCount) {
   // Only allow enable/disable on the main thread, just to keep things
   // simple.
   CHECK([NSThread isMainThread]);
 
   if (!ZombieInit())
     return NO;
 
-  if (zombieCount < 0)
-    return NO;
-
   g_zombieAllObjects = zombieAllObjects;
 
   // Replace the implementation of -[NSObject dealloc].
   Method m = class_getInstanceMethod([NSObject class], @selector(dealloc));
   if (!m)
     return NO;
 
   const IMP prevDeallocIMP = method_setImplementation(m, (IMP)ZombieDealloc);
   DCHECK(prevDeallocIMP == g_originalDeallocIMP ||
          prevDeallocIMP == (IMP)ZombieDealloc);
@@ skipping 84 matching lines @@
   if (oldZombies) {
     for (size_t i = 0; i < oldCount; ++i) {
       if (oldZombies[i].object)
         free(oldZombies[i].object);
     }
     free(oldZombies);
   }
 }
 
 }  // namespace ObjcEvilDoers