Add explicit to core/fetch, core/loader and modules/websockets

third_party/WebKit/Source/core/fetch/ResourceFetcher.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
@@ skipping 206 matching lines @@
     bool m_autoLoadImages : 1;
     bool m_imagesEnabled : 1;
     bool m_allowStaleResources : 1;
     bool m_imageFetched : 1;
 };
 
 class ResourceCacheValidationSuppressor {
     WTF_MAKE_NONCOPYABLE(ResourceCacheValidationSuppressor);
     STACK_ALLOCATED();
 public:
-    ResourceCacheValidationSuppressor(ResourceFetcher* loader)
+    explicit ResourceCacheValidationSuppressor(ResourceFetcher* loader)
         : m_loader(loader)
         , m_previousState(false)
     {
         if (m_loader) {
             m_previousState = m_loader->m_allowStaleResources;
             m_loader->m_allowStaleResources = true;
         }
     }
     ~ResourceCacheValidationSuppressor()
     {
         if (m_loader)
             m_loader->m_allowStaleResources = m_previousState;
     }
 private:
     Member<ResourceFetcher> m_loader;
     bool m_previousState;
 };
 
 } // namespace blink
 
 #endif // ResourceFetcher_h