Pass result of blockage across content API when new tab blocked.

chrome/browser/ui/blocked_content/blocked_content_tab_helper.cc

Index: chrome/browser/ui/blocked_content/blocked_content_tab_helper.cc
===================================================================
--- chrome/browser/ui/blocked_content/blocked_content_tab_helper.cc	(revision 153532)
+++ chrome/browser/ui/blocked_content/blocked_content_tab_helper.cc	(working copy)
@@ -88,6 +88,7 @@
 }
 
 void BlockedContentTabHelper::AddPopup(TabContents* new_contents,
+                                       WindowOpenDisposition disposition,
                                        const gfx::Rect& initial_pos,
                                        bool user_gesture) {
   // A page can't spawn popups (or do anything else, either) until its load
@@ -110,7 +111,7 @@
           CONTENT_SETTINGS_TYPE_POPUPS,
           "") == CONTENT_SETTING_ALLOW) {
     web_contents()->AddNewContents(new_contents->web_contents(),
-                                   NEW_POPUP,
+                                   disposition,
                                    initial_pos,
                                    true);  // user_gesture
   } else {
@@ -118,7 +119,7 @@
     // so that the contents will not get blocked again.
     SendNotification(new_contents, true);
     blocked_contents_->AddTabContents(new_contents,
-                                      NEW_POPUP,
+                                      disposition,
                                       initial_pos,
                                       true);  // user_gesture
     tab_contents_->content_settings()->OnContentBlocked(