Move TabContentsDragWin to content and rename it to WebContentsDragWin.

content/browser/download/drag_download_util.h

 // 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.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "content/browser/download/drag_download_file.h"
-#include "content/common/content_export.h"
 #include "ui/base/dragdrop/download_file_interface.h"
 
 class FilePath;
 class GURL;
 namespace net {
 class FileStream;
 }
 
 namespace drag_download_util {
 
 // Parse the download metadata set in DataTransfer.setData. The metadata
 // consists of a set of the following values separated by ":"
 // * MIME type
 // * File name
 // * URL
 // If the file name contains special characters, they need to be escaped
 // appropriately.
 // For example, we can have
 //   text/plain:example.txt:http://example.com/example.txt
-CONTENT_EXPORT bool ParseDownloadMetadata(const string16& metadata,
-                                          string16* mime_type,
-                                          FilePath* file_name,
-                                          GURL* url);
+bool ParseDownloadMetadata(const string16& metadata,
+                           string16* mime_type,
+                           FilePath* file_name,
+                           GURL* url);
 
 // Create a new file at the specified path. If the file already exists, try to
 // insert the sequential unifier to produce a new file, like foo-01.txt.
 // Return a FileStream if successful.
 // |net_log| is a NetLog for the stream.
-CONTENT_EXPORT net::FileStream* CreateFileStreamForDrop(
+net::FileStream* CreateFileStreamForDrop(
     FilePath* file_path, net::NetLog* net_log);
 
 // Implementation of DownloadFileObserver to finalize the download process.
-class CONTENT_EXPORT PromiseFileFinalizer : public ui::DownloadFileObserver {
+class PromiseFileFinalizer : public ui::DownloadFileObserver {
  public:
   explicit PromiseFileFinalizer(DragDownloadFile* drag_file_downloader);
   virtual ~PromiseFileFinalizer();
 
   // DownloadFileObserver methods.
   virtual void OnDownloadCompleted(const FilePath& file_path) OVERRIDE;
   virtual void OnDownloadAborted() OVERRIDE;
 
  private:
   void Cleanup();
 
   scoped_refptr<DragDownloadFile> drag_file_downloader_;
 
   DISALLOW_COPY_AND_ASSIGN(PromiseFileFinalizer);
 };
 
 }  // namespace drag_download_util
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DRAG_DOWNLOAD_UTIL_H_