Move IndexedDBKey, IndexedDBKeyRange into content namespace

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 "base/logging.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
 
+namespace content {
+
 using WebKit::WebIDBKey;
 using WebKit::WebVector;
 
 IndexedDBKey::IndexedDBKey()
     : type_(WebIDBKey::NullType),
       date_(0),
       number_(0) {
 }
 
 IndexedDBKey::IndexedDBKey(const WebIDBKey& key) {
@@ skipping 57 matching lines @@
     case WebIDBKey::NumberType:
       return WebIDBKey::createNumber(number_);
     case WebIDBKey::InvalidType:
       return WebIDBKey::createInvalid();
     case WebIDBKey::NullType:
       return WebIDBKey::createNull();
   }
   NOTREACHED();
   return WebIDBKey::createInvalid();
 }
+
+}  // namespace content