IndexedDB: Fix trivial cpplint.py errors

content/child/indexed_db/indexed_db_dispatcher.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_
 #define CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_
 
 #include <map>
+#include <string>
 #include <vector>
 
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/nullable_string16.h"
 #include "content/child/worker_task_runner.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "third_party/WebKit/public/platform/WebBlobInfo.h"
@@ skipping 156 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(IndexedDBDispatcherTest, CursorTransactionId);
   FRIEND_TEST_ALL_PREFIXES(IndexedDBDispatcherTest, ValueSizeTest);
 
   enum { kAllCursors = -1 };
 
   static int32 CurrentWorkerId() {
     return WorkerTaskRunner::Instance()->CurrentWorkerId();
   }
 
   template <typename T>
-  void init_params(T& params, blink::WebIDBCallbacks* callbacks_ptr) {
+  void init_params(T* params, blink::WebIDBCallbacks* callbacks_ptr) {
     scoped_ptr<blink::WebIDBCallbacks> callbacks(callbacks_ptr);
-    params.ipc_thread_id = CurrentWorkerId();
-    params.ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
+    params->ipc_thread_id = CurrentWorkerId();
+    params->ipc_callbacks_id = pending_callbacks_.Add(callbacks.release());
   }
 
   // IDBCallback message handlers.
   void OnSuccessIDBDatabase(int32 ipc_thread_id,
                             int32 ipc_callbacks_id,
                             int32 ipc_database_callbacks_id,
                             int32 ipc_object_id,
                             const IndexedDBDatabaseMetadata& idb_metadata);
   void OnSuccessIndexedDBKey(int32 ipc_thread_id,
                              int32 ipc_callbacks_id,
@@ skipping 58 matching lines @@
   std::map<int32, WebIDBCursorImpl*> cursors_;
 
   std::map<int32, WebIDBDatabaseImpl*> databases_;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDispatcher);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_INDEXED_DB_INDEXED_DB_DISPATCHER_H_