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

webkit/glue/cpp_bound_class.cc

 // 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.
 
 // This file contains definitions for CppBoundClass
 
 // Here's the control flow of a JS method getting forwarded to a class.
 // - Something calls our NPObject with a function like "Invoke".
 // - CppNPObject's static invoke() function forwards it to its attached
 //   CppBoundClass's Invoke() method.
@@ skipping 12 matching lines @@
 
 using WebKit::WebBindings;
 using WebKit::WebFrame;
 
 namespace webkit_glue {
 
 namespace {
 
 class CppVariantPropertyCallback : public CppBoundClass::PropertyCallback {
  public:
-  CppVariantPropertyCallback(CppVariant* value) : value_(value) { }
+  explicit CppVariantPropertyCallback(CppVariant* value) : value_(value) { }
 
   virtual bool GetValue(CppVariant* value) {
     value->Set(*value_);
     return true;
   }
   virtual bool SetValue(const CppVariant& value) {
     value_->Set(value);
     return true;
   }
 
  private:
   CppVariant* value_;
 };
 
 class GetterPropertyCallback : public CppBoundClass::PropertyCallback {
 public:
-  GetterPropertyCallback(const CppBoundClass::GetterCallback& callback)
+  explicit GetterPropertyCallback(const CppBoundClass::GetterCallback& callback)
       : callback_(callback) { }
 
   virtual bool GetValue(CppVariant* value) {
     callback_.Run(value);
     return true;
   }
 
   virtual bool SetValue(const CppVariant& value) {
     return false;
   }
@@ skipping 260 matching lines @@
 
   // BindToWindowObject will take its own reference to the NPObject, and clean
   // up after itself.  It will also (indirectly) register the object with V8,
   // so we must remember this so we can unregister it when we're destroyed.
   frame->bindToWindowObject(ASCIIToUTF16(classname),
                             NPVARIANT_TO_OBJECT(*GetAsCppVariant()));
   bound_to_frame_ = true;
 }
 
 }  // namespace webkit_glue