Mac/clang: Possibly contentious changes.

chrome/renderer/render_process_impl.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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <objidl.h>
 #include <mlang.h>
@@ skipping 267 matching lines @@
   // to reduce the width as well to make the size reduction more "balanced", but
   // it rarely comes up in practice.
   if ((max_size != 0) && (height * stride > max_size))
     height = max_size / stride;
 
   const size_t size = height * stride;
 
   if (!GetTransportDIBFromCache(memory, size)) {
     *memory = CreateTransportDIB(size);
     if (!*memory)
-      return false;
+      return NULL;
   }
 
   return (*memory)->GetPlatformCanvas(width, height);
 }
 
 void RenderProcessImpl::ReleaseTransportDIB(TransportDIB* mem) {
   if (PutSharedMemInCache(mem)) {
     shared_mem_cache_cleaner_.Reset();
     return;
   }
@@ skipping 62 matching lines @@
 }
 
 void RenderProcessImpl::ClearTransportDIBCache() {
   for (size_t i = 0; i < arraysize(shared_mem_cache_); ++i) {
     if (shared_mem_cache_[i]) {
       FreeTransportDIB(shared_mem_cache_[i]);
       shared_mem_cache_[i] = NULL;
     }
   }
 }