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

chrome/browser/ui/gtk/dialogs_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 <gtk/gtk.h>
 #include <map>
 #include <set>
 
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
-#include "base/mime_util.h"
+#include "base/nix/mime_util_xdg.h"
 #include "base/sys_string_conversions.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/ui/gtk/dialogs_common.h"
 #include "chrome/browser/ui/shell_dialogs.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/generated_resources.h"
 #include "ui/base/gtk/gtk_signal.h"
 #include "ui/base/l10n/l10n_util.h"
@@ skipping 198 matching lines @@
 void SelectFileDialogImplGTK::AddFilters(GtkFileChooser* chooser) {
   for (size_t i = 0; i < file_types_.extensions.size(); ++i) {
     GtkFileFilter* filter = NULL;
     for (size_t j = 0; j < file_types_.extensions[i].size(); ++j) {
       if (!file_types_.extensions[i][j].empty()) {
         if (!filter)
           filter = gtk_file_filter_new();
 
         // Allow IO in the file dialog. http://crbug.com/72637
         base::ThreadRestrictions::ScopedAllowIO allow_io;
-        std::string mime_type = mime_util::GetFileMimeType(
+        std::string mime_type = base::nix::GetFileMimeType(
             FilePath("name").ReplaceExtension(file_types_.extensions[i][j]));
         gtk_file_filter_add_mime_type(filter, mime_type.c_str());
       }
     }
     // We didn't find any non-empty extensions to filter on.
     if (!filter)
       continue;
 
     // The description vector may be blank, in which case we are supposed to
     // use some sort of default description based on the filter.
     if (i < file_types_.extension_description_overrides.size()) {
       gtk_file_filter_set_name(filter, UTF16ToUTF8(
           file_types_.extension_description_overrides[i]).c_str());
     } else {
       // Allow IO in the file dialog. http://crbug.com/72637
       base::ThreadRestrictions::ScopedAllowIO allow_io;
       // There is no system default filter description so we use
       // the MIME type itself if the description is blank.
-      std::string mime_type = mime_util::GetFileMimeType(
+      std::string mime_type = base::nix::GetFileMimeType(
           FilePath("name").ReplaceExtension(file_types_.extensions[i][0]));
       gtk_file_filter_set_name(filter, mime_type.c_str());
     }
 
     gtk_file_chooser_add_filter(chooser, filter);
     if (i == file_type_index_ - 1)
       gtk_file_chooser_set_filter(chooser, filter);
   }
 
   // Add the *.* filter, but only if we have added other filters (otherwise it
@@ skipping 277 matching lines @@
   GdkPixbuf* pixbuf = gdk_pixbuf_new_from_file_at_size(filename, kPreviewWidth,
                                                        kPreviewHeight, NULL);
   g_free(filename);
   if (pixbuf) {
     gtk_image_set_from_pixbuf(GTK_IMAGE(preview_), pixbuf);
     g_object_unref(pixbuf);
   }
   gtk_file_chooser_set_preview_widget_active(GTK_FILE_CHOOSER(chooser),
                                              pixbuf ? TRUE : FALSE);
 }