Implement the WebSmartPaste pasteboard type on Mac, stub it out on Linux, rem...

base/scoped_clipboard_writer.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef SCOPED_CLIPBOARD_WRITER_H_
 #define SCOPED_CLIPBOARD_WRITER_H_
 
 #include "base/clipboard.h"
 
 #if defined(OS_WIN)
@@ skipping 22 matching lines @@
   void WriteBookmark(const std::wstring& title, const std::string& url);
 
   // Adds both a bookmark and an HTML hyperlink to the clipboard.  It is a
   // convenience wrapper around WriteBookmark and WriteHTML.
   void WriteHyperlink(const std::wstring& title, const std::string& url);
 
   // Adds a file or group of files to the clipboard.
   void WriteFile(const std::wstring& file);
   void WriteFiles(const std::vector<std::wstring>& files);
 
-#if defined(OS_WIN)
   // Used by WebKit to determine whether WebKit wrote the clipboard last
   void WriteWebSmartPaste();
 
+#if defined(OS_WIN)
   // Adds a bitmap to the clipboard
   // This is the slowest way to copy a bitmap to the clipboard as we must first
   // memcpy the pixels into GDI and the blit the bitmap to the clipboard.
   // Pixel format is assumed to be 32-bit BI_RGB.
   void WriteBitmapFromPixels(const void* pixels, const gfx::Size& size);
 #endif
 
  protected:
   Clipboard::ObjectMap objects_;
   Clipboard* clipboard_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ScopedClipboardWriter);
 };
 
 #endif  // SCOPED_CLIPBOARD_WRITER_H_