Add utility method for WebString to base::FilePath conversion

content/test/weburl_loader_mock_factory.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/test/weburl_loader_mock_factory.h"
 
 #include <stdint.h>
 
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
 #include "content/test/weburl_loader_mock.h"
+#include "third_party/WebKit/public/platform/FilePathConversion.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLError.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/platform/WebURLResponse.h"
 #include "third_party/WebKit/public/web/WebCache.h"
 
 using blink::WebCache;
 using blink::WebData;
 using blink::WebString;
 using blink::WebURL;
 using blink::WebURLError;
 using blink::WebURLLoader;
 using blink::WebURLRequest;
 using blink::WebURLResponse;
 
 WebURLLoaderMockFactory::WebURLLoaderMockFactory() : delegate_(nullptr) {}
 
 WebURLLoaderMockFactory::~WebURLLoaderMockFactory() {}
 
 void WebURLLoaderMockFactory::RegisterURL(const WebURL& url,
                                           const WebURLResponse& response,
                                           const WebString& file_path) {
   ResponseInfo response_info;
   response_info.response = response;
   if (!file_path.isNull() && !file_path.isEmpty()) {
-#if defined(OS_POSIX)
-    // TODO(jcivelli): On Linux, UTF8 might not be correct.
-    response_info.file_path =
-        base::FilePath(static_cast<std::string>(file_path.utf8()));
-#elif defined(OS_WIN)
-    base::string16 file_path_16 = file_path;
-    response_info.file_path = base::FilePath(std::wstring(
-        file_path_16.data(), file_path_16.length()));
-#endif
+    response_info.file_path = blink::WebStringToFilePath(file_path);
     DCHECK(base::PathExists(response_info.file_path))
         << response_info.file_path.MaybeAsASCII() << " does not exist.";
   }
 
   DCHECK(url_to_reponse_info_.find(url) == url_to_reponse_info_.end());
   url_to_reponse_info_[url] = response_info;
 }
 
 
 void WebURLLoaderMockFactory::RegisterErrorURL(const WebURL& url,
@@ skipping 122 matching lines @@
   scoped_ptr<char[]> buffer(new char[size]);
   data->reset();
   int read_count = base::ReadFile(file_path, buffer.get(), size);
   if (read_count == -1)
     return false;
   DCHECK(read_count == size);
   data->assign(buffer.get(), size);
 
   return true;
 }