Remove JS dialog dependency from content.

chrome/browser/ui/blocked_content/blocked_content_container.cc

 // 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 "chrome/browser/ui/blocked_content/blocked_content_container.h"
 
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "ui/gfx/rect.h"
@@ skipping 145 matching lines @@
   }
 }
 
 bool BlockedContentContainer::IsPopup(const TabContents* source) const {
   // Assume everything added is a popup. This may turn out to be wrong, but
   // callers don't cache this information so it should be fine if the value ends
   // up changing.
   return true;
 }
 
+bool BlockedContentContainer::ShouldSuppressDialogs() {
+  // Suppress JavaScript dialogs when inside a constrained popup window (because
+  // that activates them and breaks them out of the constrained window jail).
+  return true;
+}
+
 TabContents* BlockedContentContainer::GetConstrainingContents(
     TabContents* source) {
   return owner_->tab_contents();
 }
 
 TabContentsWrapper* BlockedContentContainer::GetConstrainingContentsWrapper(
     TabContentsWrapper* source) {
   return owner_;
 }