Only block alert() requests from blocked popups; not all popups....

chrome/test/automation/automation_proxy.h

 // Copyright (c) 2006-2008 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_TEST_AUTOMATION_AUTOMATION_PROXY_H__
 #define CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H__
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 90 matching lines @@
   // Returns false if the window count does not change before time out.
   // TODO(evanm): this function has a confusing name and semantics; it should
   // be deprecated for WaitForWindowCountToBecome.
   bool WaitForWindowCountToChange(int count, int* new_counter,
                                   int wait_timeout);
 
   // Block the thread until the window count becomes the provided value.
   // Returns true on success.
   bool WaitForWindowCountToBecome(int target_count, int wait_timeout);
 
+  // Returns whether an app modal dialog window is showing right now (i.e., a
+  // javascript alert).
+  bool GetShowingAppModalDialog(bool* showing_app_modal_dialog);
+
+  // Block the thread until a modal dialog is displayed. Returns true on
+  // success.
+  bool WaitForAppModalDialog(int wait_timeout);
+
   // Returns the BrowserProxy for the browser window at the given index,
   // transferring ownership of the pointer to the caller.
   // On failure, returns NULL.
   //
   // Use GetBrowserWindowCount to see how many browser windows you can ask for.
   // Window numbers are 0-based.
   BrowserProxy* GetBrowserWindow(int window_index);
 
   // Returns the BrowserProxy for the browser window which was last active,
   // transferring ownership of the pointer to the caller.
@@ skipping 89 matching lines @@
   HANDLE new_tab_ui_load_complete_;
   int new_tab_ui_load_time_;
 
   AutomationRequest* current_request_;
 
   static const int kMaxCommandExecutionTime;  // Delay to let the browser
                                               //  execute the command.;
 };
 
 #endif  // CHROME_TEST_AUTOMATION_AUTOMATION_PROXY_H__
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