Content shell/GTK: Add JavaScript dialog support.

content/shell/shell_javascript_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 "content/shell/shell_javascript_dialog.h"
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/memory/scoped_nsobject.h"
 #include "base/sys_string_conversions.h"
@@ skipping 69 matching lines @@
   [NSApp endSheet:[alert_ window]];
   alert_.reset();
 }
 
 @end
 
 namespace content {
 
 ShellJavaScriptDialog::ShellJavaScriptDialog(
     ShellJavaScriptDialogCreator* creator,
+    gfx::NativeWindow parent_window,
     JavaScriptMessageType message_type,
     const string16& message_text,
     const string16& default_prompt_text,
     const JavaScriptDialogCreator::DialogClosedCallback& callback)
     : creator_(creator),
       callback_(callback) {
   bool text_field = message_type == JAVASCRIPT_MESSAGE_TYPE_PROMPT;
   bool one_button = message_type == JAVASCRIPT_MESSAGE_TYPE_ALERT;
 
   helper_ =
@@ skipping 28 matching lines @@
 
 ShellJavaScriptDialog::~ShellJavaScriptDialog() {
   [helper_ release];
 }
 
 void ShellJavaScriptDialog::Cancel() {
   [helper_ cancel];
 }
 
 }  // namespace content