Use builders to convert between WebKit and content IDB types

content/common/indexed_db/indexed_db_key_range.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.
 
 #include "content/common/indexed_db/indexed_db_key_range.h"
 
 #include "base/logging.h"
-#include "third_party/WebKit/public/platform/WebIDBKey.h"
+#include "third_party/WebKit/public/platform/WebIDBTypes.h"
 
 namespace content {
 
-using WebKit::WebIDBKeyRange;
-
 IndexedDBKeyRange::IndexedDBKeyRange()
     : lower_(WebKit::WebIDBKeyTypeNull),
       upper_(WebKit::WebIDBKeyTypeNull),
       lower_open_(false),
       upper_open_(false) {}
 
-IndexedDBKeyRange::IndexedDBKeyRange(const WebIDBKeyRange& key_range)
-    : lower_(key_range.lower()),
-      upper_(key_range.upper()),
-      lower_open_(key_range.lowerOpen()),
-      upper_open_(key_range.upperOpen()) {}
-
 IndexedDBKeyRange::IndexedDBKeyRange(const IndexedDBKey& lower,
                                      const IndexedDBKey& upper,
                                      bool lower_open,
                                      bool upper_open)
     : lower_(lower),
       upper_(upper),
       lower_open_(lower_open),
       upper_open_(upper_open) {}
 
 IndexedDBKeyRange::IndexedDBKeyRange(const IndexedDBKey& key)
     : lower_(key), upper_(key), lower_open_(false), upper_open_(false) {}
 
 IndexedDBKeyRange::~IndexedDBKeyRange() {}
 
 bool IndexedDBKeyRange::IsOnlyKey() const {
   if (lower_open_ || upper_open_)
     return false;
 
   return lower_.IsEqual(upper_);
 }
 
-IndexedDBKeyRange::operator WebIDBKeyRange() const {
-  return WebIDBKeyRange(lower_, upper_, lower_open_, upper_open_);
-}
-
 }  // namespace content