Linux: Move base/mime_util* to base/nix. It's not used on any other platform.

content/browser/tab_contents/web_drag_source_gtk.cc

 // Copyright (c) 2011 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 "content/browser/tab_contents/web_drag_source_gtk.h"
 
 #include <string>
 
 #include "base/file_util.h"
-#include "base/mime_util.h"
+#include "base/nix/mime_util_xdg.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/download/drag_download_file.h"
 #include "content/browser/download/drag_download_util.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/tab_contents/drag_utils_gtk.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
 #include "content/public/browser/content_browser_client.h"
@@ skipping 86 matching lines @@
   // bad on non-compositing WMs. Fall back to the default drag icon.
   if (!image.isNull() && ui::IsScreenComposited())
     drag_pixbuf_ = gfx::GdkPixbufFromSkBitmap(&image);
   image_offset_ = image_offset;
 
   GtkTargetList* list = ui::GetTargetListFromCodeMask(targets_mask);
   if (targets_mask & ui::CHROME_WEBDROP_FILE_CONTENTS) {
     // Looking up the mime type can hit the disk.  http://crbug.com/84896
     base::ThreadRestrictions::ScopedAllowIO allow_io;
     drag_file_mime_type_ = gdk_atom_intern(
-        mime_util::GetDataMimeType(drop_data.file_contents).c_str(), FALSE);
+        base::nix::GetDataMimeType(drop_data.file_contents).c_str(), FALSE);
     gtk_target_list_add(list, drag_file_mime_type_,
                         0, ui::CHROME_WEBDROP_FILE_CONTENTS);
   }
 
   drag_failed_ = false;
   // If we don't pass an event, GDK won't know what event time to start grabbing
   // mouse events. Technically it's the mouse motion event and not the mouse
   // down event that causes the drag, but there's no reliable way to know
   // *which* motion event initiated the drag, so this will have to do.
   // TODO(estade): This can sometimes be very far off, e.g. if the user clicks
@@ skipping 247 matching lines @@
   cairo_clip(cr);
   cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
   gdk_cairo_set_source_pixbuf(cr, drag_pixbuf_, 0, 0);
   cairo_paint(cr);
   cairo_destroy(cr);
 
   return TRUE;
 }
 
 }  // namespace content