Allow ChromeOS file selection dialog to be shown from shell windows.

chrome/browser/ui/views/select_file_dialog_extension.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_SELECT_FILE_DIALOG_EXTENSION_H_
 #define CHROME_BROWSER_UI_VIEWS_SELECT_FILE_DIALOG_EXTENSION_H_
 #pragma once
 
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "chrome/browser/ui/select_file_dialog.h"
 #include "chrome/browser/ui/views/extensions/extension_dialog_observer.h"
 #include "ui/gfx/native_widget_types.h"  // gfx::NativeWindow
 
-class Browser;
 class ExtensionDialog;
+class Profile;
 
 namespace content {
 class RenderViewHost;
 struct SelectedFileInfo;
 }
 
 // Shows a dialog box for selecting a file or a folder, using the
 // file manager extension implementation.
 class SelectFileDialogExtension
     : public SelectFileDialog,
@@ skipping 53 matching lines @@
   static bool PendingExists(int32 tab_id);
 
   // Returns true if the dialog has multiple file type choices.
   virtual bool HasMultipleFileTypeChoicesImpl() OVERRIDE;
 
   bool has_multiple_file_type_choices_;
 
   // Host for the extension that implements this dialog.
   scoped_refptr<ExtensionDialog> extension_dialog_;
 
-  // ID of the tab that spawned this dialog, used to route callbacks.
+  // ID of the tab that spawned this dialog, used to route callbacks. If the
+  // dialog is not associated with any browser it will be shown full screen,
+  // with the tab_id set to 0.
   int32 tab_id_;
 
-  // Cache a pointer to our owner browser. Since we're a child window of our
-  // owner browser, if this browser gets deleted, it will also close us.
-  Browser* owner_browser_;
+  // Pointer to the profile the dialog is running in.
+  Profile* profile_;
 
+  // The window that created the dialog.
   gfx::NativeWindow owner_window_;
 
   // We defer the callback into SelectFileDialog::Listener until the window
   // closes, to match the semantics of file selection on Windows and Mac.
   // These are the data passed to the listener.
   enum SelectionType {
     CANCEL = 0,
     SINGLE_FILE,
     MULTIPLE_FILES
   };
   SelectionType selection_type_;
   std::vector<content::SelectedFileInfo> selection_files_;
   int selection_index_;
   void* params_;
 
   DISALLOW_COPY_AND_ASSIGN(SelectFileDialogExtension);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_SELECT_FILE_DIALOG_EXTENSION_H_