Move WebDropData to content::DropData and split off conversion function.

content/public/common/drop_data.h

 // 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.
-//
-// A struct for managing data being dropped on a webview.  This represents a
-// union of all the types of data that can be dropped in a platform neutral
+
+// A struct for managing data being dropped on a WebContents.  This represents
+// a union of all the types of data that can be dropped in a platform neutral
 // way.
 
-#ifndef WEBKIT_COMMON_WEBDROPDATA_H_
-#define WEBKIT_COMMON_WEBDROPDATA_H_
+#ifndef CONTENT_PUBLIC_COMMON_DROP_DATA_H_
+#define CONTENT_PUBLIC_COMMON_DROP_DATA_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/strings/nullable_string16.h"
-#include "base/strings/string16.h"
+#include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/WebReferrerPolicy.h"
 #include "url/gurl.h"
-#include "webkit/common/webkit_common_export.h"
 
-struct IDataObject;
+namespace content {
 
-namespace WebKit {
-class WebDragData;
-}
-
-struct WEBKIT_COMMON_EXPORT WebDropData {
+struct CONTENT_EXPORT DropData {
   // The struct is used to represent a file in the drop data.
-  struct WEBKIT_COMMON_EXPORT FileInfo {
+  struct CONTENT_EXPORT FileInfo {
     FileInfo();
     FileInfo(const base::string16& path, const base::string16& display_name);
 
     // The path of the file.
     base::string16 path;
     // The display name of the file. This field is optional.
     base::string16 display_name;
   };
 
-  // Construct from a WebDragData object.
-  explicit WebDropData(const WebKit::WebDragData&);
-
-  WebDropData();
-
-  ~WebDropData();
+  DropData();
+  ~DropData();
 
   // User is dragging a link into the webview.
   GURL url;
   base::string16 url_title;  // The title associated with |url|.
 
   // User is dragging a link out-of the webview.
   base::string16 download_metadata;
 
   // Referrer policy to use when dragging a link out of the webview results in
   // a download.
@@ skipping 14 matching lines @@
   base::NullableString16 html;
   GURL html_base_url;
 
   // User is dragging data from the webview (e.g., an image).
   base::string16 file_description_filename;
   std::string file_contents;
 
   std::map<base::string16, base::string16> custom_data;
 };
 
-#endif  // WEBKIT_COMMON_WEBDROPDATA_H_
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_COMMON_DROP_DATA_H_