Implement window.alert() and its cousins for extensions....

chrome/browser/extensions/extension_host.h

 // Copyright (c) 2006-2009 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_EXTENSIONS_EXTENSION_HOST_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_
 
 #include <string>
 
 #include "base/scoped_ptr.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
+#include "chrome/browser/jsmessage_box_client.h"
 #include "chrome/browser/renderer_host/render_view_host_delegate.h"
 #include "chrome/browser/tab_contents/render_view_host_delegate_helper.h"
 #if defined(TOOLKIT_VIEWS)
 #include "chrome/browser/views/browser_bubble.h"
 #include "chrome/browser/views/extensions/extension_view.h"
 #elif defined(OS_LINUX)
 #include "chrome/browser/gtk/extension_view_gtk.h"
 #elif defined(OS_MACOSX)
 #include "chrome/browser/cocoa/extension_view_mac.h"
 #endif
@@ skipping 16 matching lines @@
 // It handles setting up the renderer process, if needed, with special
 // privileges available to extensions.  It may have a view to be shown in the
 // in the browser UI, or it may be hidden.
 class ExtensionHost :  // NOLINT
 #if defined(TOOLKIT_VIEWS)
                       public BrowserBubble::Delegate,
 #endif
                       public RenderViewHostDelegate,
                       public RenderViewHostDelegate::View,
                       public ExtensionFunctionDispatcher::Delegate,
-                      public NotificationObserver {
+                      public NotificationObserver,
+                      public JavaScriptMessageBoxClient {
  public:
   class ProcessCreationQueue;
 
   // Enable DOM automation in created render view hosts.
   static void EnableDOMAutomation() { enable_dom_automation_ = true; }
 
   ExtensionHost(Extension* extension, SiteInstance* site_instance,
                 const GURL& url, ViewType::Type host_type);
   ~ExtensionHost();
 
@@ skipping 108 matching lines @@
   virtual bool HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
   virtual void HandleMouseEvent();
   virtual void HandleMouseLeave();
   virtual void UpdatePreferredSize(const gfx::Size& new_size);
 
   // NotificationObserver
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
+  // JavaScriptMessageBoxClient
+  virtual std::wstring GetMessageBoxTitle(const GURL& frame_url,
+                                          bool is_alert);
+  virtual gfx::NativeWindow GetMessageBoxRootWindow();
+  virtual void OnMessageBoxClosed(IPC::Message* reply_msg,
+                                  bool success,
+                                  const std::wstring& prompt);
+  virtual void SetSuppressMessageBoxes(bool suppress_message_boxes) {}
+  virtual TabContents* AsTabContents() { return NULL; }
+
  private:
   friend class ProcessCreationQueue;
 
   // Whether to allow DOM automation for created RenderViewHosts. This is used
   // for testing.
   static bool enable_dom_automation_;
 
   // Actually create the RenderView for this host. See CreateRenderViewSoon.
   void CreateRenderViewNow();
 
@@ skipping 49 matching lines @@
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 
   // Only EXTENSION_TOOLSTRIP, EXTENSION_POPUP, and EXTENSION_BACKGROUND_PAGE
   // are used here, others are not hosted by ExtensionHost.
   ViewType::Type extension_host_type_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionHost);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_HOST_H_