Add utility method for WebString to base::FilePath conversion

content/renderer/pepper/url_response_info_util.cc

 // 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.
 
 #include "content/renderer/pepper/url_response_info_util.h"
 
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
 #include "content/public/renderer/renderer_ppapi_host.h"
 #include "content/renderer/pepper/pepper_file_ref_renderer_host.h"
 #include "content/renderer/pepper/renderer_ppapi_host_impl.h"
 #include "ipc/ipc_message.h"
 #include "ppapi/proxy/ppapi_messages.h"
 #include "ppapi/shared_impl/url_response_info_data.h"
+#include "third_party/WebKit/public/platform/FilePathConversion.h"
 #include "third_party/WebKit/public/platform/WebCString.h"
 #include "third_party/WebKit/public/platform/WebHTTPHeaderVisitor.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 
 using blink::WebHTTPHeaderVisitor;
 using blink::WebString;
 using blink::WebURLResponse;
 
@@ skipping 54 matching lines @@
     data.redirect_url =
         response.httpHeaderField(WebString::fromUTF8("Location")).utf8();
   }
 
   HeaderFlattener flattener;
   response.visitHTTPHeaderFields(&flattener);
   data.headers = flattener.buffer();
 
   WebString file_path = response.downloadFilePath();
   if (!file_path.isEmpty()) {
-    base::FilePath external_path = base::FilePath::FromUTF16Unsafe(file_path);
+    base::FilePath external_path = blink::WebStringToFilePath(file_path);
     // TODO(teravest): Write a utility function to create resource hosts in the
     // renderer and browser.
     PepperFileRefRendererHost* renderer_host =
         new PepperFileRefRendererHost(host_impl, pp_instance, 0, external_path);
     int renderer_pending_host_id =
         host_impl->GetPpapiHost()->AddPendingResourceHost(
             scoped_ptr<ppapi::host::ResourceHost>(renderer_host));
 
     std::vector<IPC::Message> create_msgs;
     create_msgs.push_back(PpapiHostMsg_FileRef_CreateForRawFS(external_path));
     host_impl->CreateBrowserResourceHosts(pp_instance,
                                           create_msgs,
                                           base::Bind(&DidCreateResourceHosts,
                                                      data,
                                                      external_path,
                                                      renderer_pending_host_id,
                                                      callback));
   } else {
     base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                   base::Bind(callback, data));
   }
 }
 
 }  // namespace content