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

chrome/browser/automation/automation_provider.cc

Index: chrome/browser/automation/automation_provider.cc
===================================================================
--- chrome/browser/automation/automation_provider.cc	(revision 5108)
+++ chrome/browser/automation/automation_provider.cc	(working copy)
@@ -801,6 +801,8 @@
                         WaitForNavigation)
     IPC_MESSAGE_HANDLER(AutomationMsg_SetIntPreferenceRequest,
                         SetIntPreference)
+    IPC_MESSAGE_HANDLER(AutomationMsg_ShowingAppModalDialogRequest,
+                        GetShowingAppModalDialog)
   IPC_END_MESSAGE_MAP()
 }
 
@@ -1063,6 +1065,12 @@
       message.routing_id(), static_cast<int>(BrowserList::size())));
 }
 
+void AutomationProvider::GetShowingAppModalDialog(const IPC::Message& message) {
+  Send(new AutomationMsg_ShowingAppModalDialogResponse(
+           message.routing_id(),
+           static_cast<bool>(BrowserList::IsShowingAppModalDialog())));
+}
+
 void AutomationProvider::GetBrowserWindow(const IPC::Message& message,
                                           int index) {
   int handle = 0;