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

third_party/WebKit/Source/core/loader/FrameLoader.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
@@ skipping 55 matching lines @@
 
 CORE_EXPORT bool isBackForwardLoadType(FrameLoadType);
 CORE_EXPORT bool isReloadLoadType(FrameLoadType);
 
 class CORE_EXPORT FrameLoader final {
     WTF_MAKE_NONCOPYABLE(FrameLoader);
     DISALLOW_NEW();
 public:
     static ResourceRequest resourceRequestFromHistoryItem(HistoryItem*, WebCachePolicy);
 
-    FrameLoader(LocalFrame*);
+    explicit FrameLoader(LocalFrame*);
     ~FrameLoader();
 
     void init();
 
     ResourceRequest resourceRequestForReload(FrameLoadType, const KURL& overrideURL = KURL(),
         ClientRedirectPolicy = ClientRedirectPolicy::NotClientRedirect);
 
     ProgressTracker& progress() const { return *m_progressTracker; }
 
     // Starts a load. It will eventually call startLoad() or
@@ skipping 197 matching lines @@
     SandboxFlags m_forcedSandboxFlags;
 
     bool m_dispatchingDidClearWindowObjectInMainWorld;
     bool m_protectProvisionalLoader;
     bool m_isNavigationHandledByClient;
 };
 
 } // namespace blink
 
 #endif // FrameLoader_h