Add utility method for WebString to base::FilePath conversion

content/child/webblobregistry_impl.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/child/webblobregistry_impl.h"
 
 #include "base/files/file_path.h"
 #include "base/guid.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/trace_event/trace_event.h"
 #include "content/child/child_thread_impl.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/common/fileapi/webblob_messages.h"
+#include "third_party/WebKit/public/platform/FilePathConversion.h"
 #include "third_party/WebKit/public/platform/WebBlobData.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebThreadSafeData.h"
 #include "third_party/WebKit/public/platform/WebURL.h"
 
 using blink::WebBlobData;
 using blink::WebString;
 using blink::WebThreadSafeData;
 using blink::WebURL;
 using blink::WebBlobRegistry;
@@ skipping 175 matching lines @@
                                                   uint64_t length) {
   consolidation_.AddBlobItem(uuid.utf8(), offset, length);
 }
 
 void WebBlobRegistryImpl::BuilderImpl::appendFile(
     const WebString& path,
     uint64_t offset,
     uint64_t length,
     double expected_modification_time) {
   consolidation_.AddFileItem(
-      base::FilePath::FromUTF16Unsafe(base::string16(path)), offset, length,
+      blink::WebStringToFilePath(path), offset, length,
       expected_modification_time);
 }
 
 void WebBlobRegistryImpl::BuilderImpl::appendFileSystemURL(
     const WebURL& fileSystemURL,
     uint64_t offset,
     uint64_t length,
     double expected_modification_time) {
   DCHECK(GURL(fileSystemURL).SchemeIsFileSystem());
   consolidation_.AddFileSystemItem(GURL(fileSystemURL), offset, length,
@@ skipping 78 matching lines @@
     consolidation_.ReadMemory(consolidated_item_index, offset, chunk_size,
                               shared_memory->memory());
     sender_->Send(new BlobHostMsg_SyncAppendSharedMemory(
         uuid_, shared_memory->handle(), static_cast<uint32_t>(chunk_size)));
     data_size -= chunk_size;
     offset += chunk_size;
   }
 }
 
 }  // namespace content