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

content/browser/web_contents/web_drag_source_gtk.h

Index: content/browser/web_contents/web_drag_source_gtk.h
diff --git a/content/browser/web_contents/web_drag_source_gtk.h b/content/browser/web_contents/web_drag_source_gtk.h
index dd3d5b4cdb5485f7613f5bc0fd4f103acc40b0f1..f7954cd9cee20f8e5fb79bedae38de6d93e621d0 100644
--- a/content/browser/web_contents/web_drag_source_gtk.h
+++ b/content/browser/web_contents/web_drag_source_gtk.h
@@ -21,12 +21,12 @@
 #include "ui/gfx/vector2d.h"
 
 class SkBitmap;
-struct WebDropData;
 
 namespace content {
 
 class RenderViewHostImpl;
 class WebContentsImpl;
+struct DropData;
 
 // WebDragSourceGtk takes care of managing the drag from a WebContents
 // with Gtk.
@@ -38,7 +38,7 @@ class CONTENT_EXPORT WebDragSourceGtk :
 
   // Starts a drag for the WebContents this WebDragSourceGtk was created for.
   // Returns false if the drag could not be started.
-  bool StartDragging(const WebDropData& drop_data,
+  bool StartDragging(const DropData& drop_data,
                      WebKit::WebDragOperationsMask allowed_ops,
                      GdkEventButton* last_mouse_down,
                      const SkBitmap& image,
@@ -67,7 +67,7 @@ class CONTENT_EXPORT WebDragSourceGtk :
 
   // The drop data for the current drag (for drags that originate in the render
   // view). Non-NULL iff there is a current drag.
-  scoped_ptr<WebDropData> drop_data_;
+  scoped_ptr<DropData> drop_data_;
 
   // The image used for depicting the drag, and the offset between the cursor
   // and the top left pixel.