Add missing (and remove superfluous) 'explicit' from constructors.

chrome/browser/ui/webui/ntp/suggestions_combiner.h

 // Copyright (c) 2012 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 CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_COMBINER_H_
 #define CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_COMBINER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 19 matching lines @@
    public:
     virtual ~Delegate() {}
 
     // Method that is called when new suggestions are ready from the
     // SuggestionsCombiner.
     virtual void OnSuggestionsReady() = 0;
   };
 
   virtual ~SuggestionsCombiner();
 
-  explicit SuggestionsCombiner(SuggestionsCombiner::Delegate* delegate,
-                               Profile* profile);
+  SuggestionsCombiner(SuggestionsCombiner::Delegate* delegate,
+                      Profile* profile);
 
   // Add a new source. The SuggestionsCombiner takes ownership of |source|.
   void AddSource(SuggestionsSource* source);
 
   // Enables or disables debug mode. If debug mode is enabled, the sources are
   // expected to provide additional data, which could be displayed, for example,
   // in the chrome://suggestions-internals/ page.
   void EnableDebug(bool enable);
 
   // Fetch a new set of items from the various suggestion sources.
@@ skipping 52 matching lines @@
   // Whether debug mode is enabled or not (debug mode provides more data in the
   // results).
   bool debug_enabled_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(SuggestionsCombiner);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_NTP_SUGGESTIONS_COMBINER_H_