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

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

 // Copyright 2016 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 LinkPreloadResourceClients_h
 #define LinkPreloadResourceClients_h
 
 #include "core/fetch/CSSStyleSheetResource.h"
 #include "core/fetch/FontResource.h"
 #include "core/fetch/ImageResource.h"
@@ skipping 12 matching lines @@
 
     void triggerEvents(const Resource*);
     virtual void clear() = 0;
 
     DEFINE_INLINE_VIRTUAL_TRACE()
     {
         visitor->trace(m_loader);
     }
 
 protected:
-    LinkPreloadResourceClient(LinkLoader* loader)
+    explicit LinkPreloadResourceClient(LinkLoader* loader)
         : m_loader(loader)
     {
         DCHECK(loader);
     }
 
 private:
     Member<LinkLoader> m_loader;
 };
 
 class LinkPreloadScriptResourceClient: public LinkPreloadResourceClient, public ResourceOwner<ScriptResource, ScriptResourceClient> {
@@ skipping 157 matching lines @@
     LinkPreloadRawResourceClient(LinkLoader* loader, RawResource* resource)
         : LinkPreloadResourceClient(loader)
     {
         setResource(resource, Resource::DontMarkAsReferenced);
     }
 };
 
 } // namespace blink
 
 #endif // LinkPreloadResourceClients_h