Switch to standard integer types in content/.

content/test/mock_webblob_registry_impl.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 CONTENT_TEST_MOCK_WEBBLOB_REGISTRY_IMPL_H_
 #define CONTENT_TEST_MOCK_WEBBLOB_REGISTRY_IMPL_H_
 
+#include <stddef.h>
+
 #include "base/macros.h"
 #include "third_party/WebKit/public/platform/WebBlobRegistry.h"
 
 namespace content {
 
 class MockWebBlobRegistryImpl : public blink::WebBlobRegistry {
  public:
   MockWebBlobRegistryImpl();
   ~MockWebBlobRegistryImpl() override;
 
@@ skipping 18 matching lines @@
   void abortStream(const blink::WebURL& url) override;
   void unregisterStreamURL(const blink::WebURL& url) override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockWebBlobRegistryImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_MOCK_WEBBLOB_REGISTRY_IMPL_H_