Revert "Explicitly implement copy ctor/assignment operator for IndexedDBKey"

content/common/indexed_db/indexed_db_key.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.h"
 
 #include <string>
 #include "base/logging.h"
 
 namespace content {
@@ skipping 76 matching lines @@
                      (binary.length() * sizeof(std::string::value_type))) {}
 
 IndexedDBKey::IndexedDBKey(const base::string16& string)
     : type_(WebIDBKeyTypeString),
       string_(string),
       size_estimate_(kOverheadSize +
                      (string.length() * sizeof(base::string16::value_type))) {}
 
 IndexedDBKey::~IndexedDBKey() {}
 
-IndexedDBKey::IndexedDBKey(const IndexedDBKey& other)
-    : type_(other.type_),
-      array_(other.array_),
-      binary_(other.binary_),
-      string_(other.string_),
-      date_(other.date_),
-      number_(other.number_),
-      size_estimate_(other.size_estimate_) {
-  DCHECK((!IsValid() && !other.IsValid()) || CompareTo(other) == 0);
-}
-
-IndexedDBKey& IndexedDBKey::operator=(const IndexedDBKey& other) {
-  type_ = other.type_;
-  array_ = other.array_;
-  binary_ = other.binary_;
-  string_ = other.string_;
-  date_ = other.date_;
-  number_ = other.number_;
-  size_estimate_ = other.size_estimate_;
-  DCHECK((!IsValid() && !other.IsValid()) || CompareTo(other) == 0);
-  return *this;
-}
-
 bool IndexedDBKey::IsValid() const {
   if (type_ == WebIDBKeyTypeInvalid || type_ == WebIDBKeyTypeNull)
     return false;
 
   if (type_ == WebIDBKeyTypeArray) {
     for (size_t i = 0; i < array_.size(); i++) {
       if (!array_[i].IsValid())
         return false;
     }
   }
@@ skipping 34 matching lines @@
     case WebIDBKeyTypeInvalid:
     case WebIDBKeyTypeNull:
     case WebIDBKeyTypeMin:
     default:
       NOTREACHED();
       return 0;
   }
 }
 
 }  // namespace content