Update some #includes in content/common/indexed_db for headers in the new Platform directory

content/common/indexed_db/proxy_webidbfactory_impl.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/proxy_webidbfactory_impl.h"
 
 #include "content/common/indexed_db/indexed_db_dispatcher.h"
 #include "content/common/child_thread.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDOMStringList.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 
 using WebKit::WebDOMStringList;
 using WebKit::WebFrame;
 using WebKit::WebIDBCallbacks;
 using WebKit::WebIDBDatabase;
 using WebKit::WebIDBDatabaseCallbacks;
 using WebKit::WebSecurityOrigin;
 using WebKit::WebString;
 
 namespace content {
@@ skipping 59 matching lines @@
     const WebString& data_dir) {
   // Don't send the data_dir. We know what we want on the Browser side of
   // things.
   IndexedDBDispatcher* dispatcher =
       IndexedDBDispatcher::ThreadSpecificInstance();
   dispatcher->RequestIDBFactoryDeleteDatabase(
       name, callbacks, origin.databaseIdentifier(), web_frame);
 }
 
 }  // namespace content