Avoid large inlined automatic methods in IndexedDB code.

content/browser/indexed_db/indexed_db_blob_info.cc

 // Copyright 2014 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/browser/indexed_db/indexed_db_blob_info.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "content/browser/indexed_db/indexed_db_leveldb_coding.h"
 
@@ skipping 31 matching lines @@
       file_path_(file_path),
       key_(DatabaseMetaDataKey::kInvalidBlobKey) {
 }
 
 IndexedDBBlobInfo::IndexedDBBlobInfo(int64 key,
                                      const base::string16& type,
                                      const base::string16& file_name)
     : is_file_(true), type_(type), size_(-1), file_name_(file_name), key_(key) {
 }
 
-IndexedDBBlobInfo::~IndexedDBBlobInfo() {}
+IndexedDBBlobInfo::IndexedDBBlobInfo(const IndexedDBBlobInfo& other) = default;
+
+IndexedDBBlobInfo::~IndexedDBBlobInfo() = default;
+
+IndexedDBBlobInfo& IndexedDBBlobInfo::operator=(
+    const IndexedDBBlobInfo& other) = default;
 
 void IndexedDBBlobInfo::set_size(int64 size) {
   DCHECK_EQ(-1, size_);
   size_ = size;
 }
 
 void IndexedDBBlobInfo::set_uuid(const std::string& uuid) {
   DCHECK(uuid_.empty());
   uuid_ = uuid;
   DCHECK(!uuid_.empty());
@@ skipping 21 matching lines @@
   mark_used_callback_ = mark_used_callback;
 }
 
 void IndexedDBBlobInfo::set_release_callback(
     const ReleaseCallback& release_callback) {
   DCHECK(release_callback_.is_null());
   release_callback_ = release_callback;
 }
 
 }  // namespace content