Skip base::string16 if not necessary for WebString <-> ASCII conversion

content/renderer/webclipboard_impl.cc

 // Copyright (c) 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/webclipboard_impl.h"
 
 #include "base/logging.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "build/build_config.h"
@@ skipping 112 matching lines @@
   ui::ClipboardType clipboard_type;
   if (!ConvertBufferType(buffer, &clipboard_type))
     return WebBlobInfo();
 
   std::string blob_uuid;
   std::string type;
   int64_t size;
   delegate_->ReadImage(clipboard_type, &blob_uuid, &type, &size);
   if (size < 0)
     return WebBlobInfo();
-  return WebBlobInfo(base::ASCIIToUTF16(blob_uuid), base::UTF8ToUTF16(type),
+  return WebBlobInfo(WebString::fromASCII(blob_uuid), WebString::fromUTF8(type),
                      size);
 }
 
 WebString WebClipboardImpl::readCustomData(Buffer buffer,
                                            const WebString& type) {
   ui::ClipboardType clipboard_type;
   if (!ConvertBufferType(buffer, &clipboard_type))
     return WebString();
 
   base::string16 data;
@@ skipping 78 matching lines @@
       return false;
 #endif
     default:
       NOTREACHED();
       return false;
   }
   return true;
 }
 
 }  // namespace content