mac: Zip packages when they are selected by the file opener.

ui/shell_dialogs/select_file_dialog_mac.mm

 // 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.
 
 #include "ui/shell_dialogs/select_file_dialog.h"
 
 #import <Cocoa/Cocoa.h>
 #include <CoreServices/CoreServices.h>
 
 #include <map>
@@ skipping 57 matching lines @@
   virtual void ListenerDestroyed() OVERRIDE;
 
   // Callback from ObjC bridge.
   void FileWasSelected(NSSavePanel* dialog,
                        NSWindow* parent_window,
                        bool was_cancelled,
                        bool is_multi,
                        const std::vector<base::FilePath>& files,
                        int index);
 
-  bool ShouldEnableFilename(NSSavePanel* dialog, NSString* filename);
-
  protected:
   // SelectFileDialog implementation.
   // |params| is user data we pass back via the Listener interface.
   virtual void SelectFileImpl(
       Type type,
       const base::string16& title,
       const base::FilePath& default_path,
       const FileTypeInfo* file_types,
       int file_type_index,
       const base::FilePath::StringType& default_extension,
@@ skipping 62 matching lines @@
     listener_->FileSelectionCanceled(params);
   } else {
     if (is_multi) {
       listener_->MultiFilesSelected(files, params);
     } else {
       listener_->FileSelected(files[0], index, params);
     }
   }
 }
 
-bool SelectFileDialogImpl::ShouldEnableFilename(NSSavePanel* dialog,
-                                                NSString* filename) {
-  // If this is a single/multiple open file dialog, disable selecting packages.
-  if (type_map_[dialog] != SELECT_OPEN_FILE &&
-      type_map_[dialog] != SELECT_OPEN_MULTI_FILE)
-    return true;
-
-  return ![[NSWorkspace sharedWorkspace] isFilePackageAtPath:filename];
-}
-
 void SelectFileDialogImpl::SelectFileImpl(
     Type type,
     const base::string16& title,
     const base::FilePath& default_path,
     const FileTypeInfo* file_types,
     int file_type_index,
     const base::FilePath::StringType& default_extension,
     gfx::NativeWindow owning_window,
     void* params) {
   DCHECK(type == SELECT_FOLDER ||
@@ skipping 238 matching lines @@
   selectFileDialogImpl_->FileWasSelected(panel,
                                          parentWindow,
                                          did_cancel,
                                          isMulti,
                                          paths,
                                          index);
   [panel release];
 }
 
 - (BOOL)panel:(id)sender shouldEnableURL:(NSURL *)url {
-  if (![url isFileURL])
-    return NO;
-  return selectFileDialogImpl_->ShouldEnableFilename(sender, [url path]);
+  return [url isFileURL];
 }
 
 @end
 
 namespace ui {
 
 SelectFileDialog* CreateMacSelectFileDialog(
     SelectFileDialog::Listener* listener,
     SelectFilePolicy* policy) {
   return new SelectFileDialogImpl(listener, policy);
 }
 
 }  // namespace ui