Update references to Blink's Platform API headers

chrome/browser/browsing_data/browsing_data_database_helper.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 "chrome/browser/browsing_data/browsing_data_database_helper.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/storage_partition.h"
 #include "net/base/completion_callback.h"
 #include "net/base/net_errors.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebCString.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebString.h"
+#include "third_party/WebKit/public/platform/WebCString.h"
+#include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
 
 using content::BrowserContext;
 using content::BrowserThread;
 using WebKit::WebSecurityOrigin;
 
 BrowsingDataDatabaseHelper::DatabaseInfo::DatabaseInfo(
     const std::string& host,
     const std::string& database_name,
     const std::string& origin_identifier,
@@ skipping 204 matching lines @@
         info->description,
         web_security_origin.toString().utf8(),
         0,
         base::Time()));
   }
 
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&CannedBrowsingDataDatabaseHelper::NotifyInUIThread, this));
 }