browser: Abstract message box dialog functions into its own header file.

chrome/browser/hang_monitor/hung_plugin_action.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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 <windows.h>
 
 #include "chrome/browser/hang_monitor/hung_plugin_action.h"
 
-#include "chrome/browser/platform_util.h"
+#include "chrome/browser/simple_message_box.h"
 #include "chrome/common/logging_chrome.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/win/hwnd_util.h"
 #include "webkit/plugins/npapi/webplugin_delegate_impl.h"
 
 HungPluginAction::HungPluginAction() : current_hung_plugin_window_(NULL) {
 }
 
 HungPluginAction::~HungPluginAction() {
@@ skipping 35 matching lines @@
       // Before displaying the message box, invoke SendMessageCallback on the
       // hung window. If the callback ever hits, the window is not hung anymore
       // and we can dismiss the message box.
       SendMessageCallback(hung_window,
                           WM_NULL,
                           0,
                           0,
                           HungWindowResponseCallback,
                           reinterpret_cast<ULONG_PTR>(this));
       current_hung_plugin_window_ = hung_window;
-      if (platform_util::SimpleYesNoBox(NULL, title, msg)) {
+      if (browser::ShowYesNoBox(NULL, title, msg)) {
         *action = HungWindowNotification::HUNG_WINDOW_TERMINATE_PROCESS;
       } else {
         // If the user choses to ignore the hung window warning, the
         // message timeout for this window should be doubled. We only
         // double the timeout property on the window if the property
         // exists. The property is deleted if the window becomes
         // responsive.
         continue_hang_detection = false;
 #pragma warning(disable:4311)
         int child_window_message_timeout =
@@ skipping 69 matching lines @@
 void CALLBACK HungPluginAction::HungWindowResponseCallback(HWND target_window,
                                                            UINT message,
                                                            ULONG_PTR data,
                                                            LRESULT result) {
   HungPluginAction* instance = reinterpret_cast<HungPluginAction*>(data);
   DCHECK(NULL != instance);
   if (NULL != instance) {
     instance->OnWindowResponsive(target_window);
   }
 }