Switch to standard integer types in components/, part 4 of 4.

components/web_cache/renderer/web_cache_render_process_observer.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_WEB_CACHE_RENDERER_WEB_CACHE_RENDER_PROCESS_OBSERVER_H_
 #define COMPONENTS_WEB_CACHE_RENDERER_WEB_CACHE_RENDER_PROCESS_OBSERVER_H_
 
+#include <stddef.h>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "content/public/renderer/render_process_observer.h"
 
 namespace web_cache {
 
 // This class filters the incoming cache related control messages.
 class WebCacheRenderProcessObserver : public content::RenderProcessObserver {
  public:
   WebCacheRenderProcessObserver();
@@ skipping 24 matching lines @@
   size_t pending_cache_max_dead_capacity_;
   size_t pending_cache_capacity_;
 
   DISALLOW_COPY_AND_ASSIGN(WebCacheRenderProcessObserver);
 };
 
 }  // namespace web_cache
 
 #endif  // COMPONENTS_WEB_CACHE_RENDERER_WEB_CACHE_RENDER_PROCESS_OBSERVER_H_