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

content/common/indexed_db/proxy_webidbobjectstore_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_webidbobjectstore_impl.h"
 
 #include <vector>
 
 #include "content/common/indexed_db/indexed_db_messages.h"
 #include "content/public/common/serialized_script_value.h"
 #include "content/common/indexed_db/indexed_db_dispatcher.h"
 #include "content/common/indexed_db/proxy_webidbindex_impl.h"
 #include "content/common/indexed_db/proxy_webidbtransaction_impl.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/WebIDBKey.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyPath.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBKeyRange.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBTransaction.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebSerializedScriptValue.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h"
 
 using WebKit::WebDOMStringList;
 using WebKit::WebExceptionCode;
 using WebKit::WebFrame;
 using WebKit::WebIDBCallbacks;
 using WebKit::WebIDBKeyPath;
 using WebKit::WebIDBKeyRange;
 using WebKit::WebIDBIndex;
 using WebKit::WebIDBKey;
 using WebKit::WebIDBTransaction;
@@ skipping 172 matching lines @@
     const WebIDBTransaction& transaction,
     WebExceptionCode& ec) {
   IndexedDBDispatcher* dispatcher =
       IndexedDBDispatcher::ThreadSpecificInstance();
   dispatcher->RequestIDBObjectStoreCount(
       idb_key_range, callbacks,  ipc_object_store_id_,
       transaction, &ec);
 }
 
 }  // namespace content