This patch is the rest of the lint cleanup minus the other open issue.

chrome/common/property_bag.h

 // Copyright (c) 2006-2008 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_COMMON_PROPERTY_BAG_H_
 #define CHROME_COMMON_PROPERTY_BAG_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 136 matching lines @@
     if (!prop)
       return NULL;
     return static_cast<const Container*>(prop)->get();
   }
 
   // See also DeleteProperty on thn PropertyAccessorBase.
 
  private:
   class Container : public PropertyBag::Prop {
    public:
-    Container(const T& data) : data_(data) {}
+    explicit Container(const T& data) : data_(data) {}
 
     T* get() { return &data_; }
     const T* get() const { return &data_; }
 
    private:
     virtual Prop* copy() {
       return new Container(data_);
     }
 
     T data_;
   };
 
   DISALLOW_COPY_AND_ASSIGN(PropertyAccessor);
 };
 
 #endif  // CHROME_COMMON_PROPERTY_BAG_H_