Remove explicit keyword from multi-argument constructors

chrome/browser/ui/webui/chrome_url_data_manager_backend.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/ui/webui/chrome_url_data_manager_backend.h"
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
@@ skipping 50 matching lines @@
 }
 
 }  // namespace
 
 // URLRequestChromeJob is a net::URLRequestJob that manages running
 // chrome-internal resource requests asynchronously.
 // It hands off URL requests to ChromeURLDataManager, which asynchronously
 // calls back once the data is available.
 class URLRequestChromeJob : public net::URLRequestJob {
  public:
-  explicit URLRequestChromeJob(net::URLRequest* request,
-                               ChromeURLDataManagerBackend* backend);
+  URLRequestChromeJob(net::URLRequest* request,
+                      ChromeURLDataManagerBackend* backend);
 
   // net::URLRequestJob implementation.
   virtual void Start() OVERRIDE;
   virtual void Kill() OVERRIDE;
   virtual bool ReadRawData(net::IOBuffer* buf,
                            int buf_size,
                            int *bytes_read) OVERRIDE;
   virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
   virtual void GetResponseInfo(net::HttpResponseInfo* info) OVERRIDE;
 
@@ skipping 406 matching lines @@
 
   return new URLRequestChromeJob(request, backend_);
 }
 
 }  // namespace
 
 net::URLRequestJobFactory::ProtocolHandler*
 CreateDevToolsProtocolHandler(ChromeURLDataManagerBackend* backend) {
   return new DevToolsJobFactory(backend);
 }