Rewrite std::string("") to std::string(), Linux edition.

webkit/glue/webclipboard_impl.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 "webkit/glue/webclipboard_impl.h"
 
 #include "base/logging.h"
 #include "base/pickle.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 183 matching lines @@
 
 void WebClipboardImpl::writePlainText(const WebString& plain_text) {
   ScopedClipboardWriterGlue scw(client_);
   scw.WriteText(plain_text);
 }
 
 void WebClipboardImpl::writeURL(const WebURL& url, const WebString& title) {
   ScopedClipboardWriterGlue scw(client_);
 
   scw.WriteBookmark(title, url.spec());
-  scw.WriteHTML(UTF8ToUTF16(URLToMarkup(url, title)), "");
+  scw.WriteHTML(UTF8ToUTF16(URLToMarkup(url, title)), std::string());
   scw.WriteText(UTF8ToUTF16(std::string(url.spec())));
 }
 
 void WebClipboardImpl::writeImage(
     const WebImage& image, const WebURL& url, const WebString& title) {
   ScopedClipboardWriterGlue scw(client_);
 
   if (!image.isNull()) {
     const SkBitmap& bitmap = image.getSkBitmap();
     SkAutoLockPixels locked(bitmap);
     scw.WriteBitmapFromPixels(bitmap.getPixels(), image.size());
   }
 
   if (!url.isEmpty()) {
     scw.WriteBookmark(title, url.spec());
 #if !defined(OS_MACOSX)
     // When writing the image, we also write the image markup so that pasting
     // into rich text editors, such as Gmail, reveals the image. We also don't
     // want to call writeText(), since some applications (WordPad) don't pick
     // the image if there is also a text format on the clipboard.
     // We also don't want to write HTML on a Mac, since Mail.app prefers to use
     // the image markup over attaching the actual image. See
     // http://crbug.com/33016 for details.
-    scw.WriteHTML(UTF8ToUTF16(URLToImageMarkup(url, title)), "");
+    scw.WriteHTML(UTF8ToUTF16(URLToImageMarkup(url, title)), std::string());
 #endif
   }
 }
 
 void WebClipboardImpl::writeDataObject(const WebDragData& data) {
   ScopedClipboardWriterGlue scw(client_);
 
   WebDropData data_object(data);
   // TODO(dcheng): Properly support text/uri-list here.
   if (!data_object.text.is_null())
     scw.WriteText(data_object.text.string());
   if (!data_object.html.is_null())
-    scw.WriteHTML(data_object.html.string(), "");
+    scw.WriteHTML(data_object.html.string(), std::string());
   // If there is no custom data, avoid calling WritePickledData. This ensures
   // that ScopedClipboardWriterGlue's dtor remains a no-op if the page didn't
   // modify the DataTransfer object, which is important to avoid stomping on
   // any clipboard contents written by extension functions such as
   // chrome.bookmarkManagerPrivate.copy.
   if (!data_object.custom_data.empty()) {
     Pickle pickle;
     ui::WriteCustomDataToPickle(data_object.custom_data, &pickle);
     scw.WritePickledData(pickle, ui::Clipboard::GetWebCustomDataFormatType());
   }
@@ skipping 17 matching lines @@
 #endif
 #endif
     default:
       NOTREACHED();
       return false;
   }
   return true;
 }
 
 }  // namespace webkit_glue