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

chrome/browser/ui/extensions/shell_window.cc

 // Copyright (c) 2012 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/extensions/shell_window.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/shell_window_registry.h"
 #include "chrome/browser/file_select_helper.h"
@@ skipping 197 matching lines @@
   // window.
   content::OpenURLParams new_tab_params = params;
   new_tab_params.disposition =
       disposition == NEW_BACKGROUND_TAB ? disposition : NEW_FOREGROUND_TAB;
   Browser* browser = browser::FindOrCreateTabbedBrowser(profile_);
   WebContents* new_tab = browser->OpenURL(new_tab_params);
   browser->window()->Show();
   return new_tab;
 }
 
-void ShellWindow::AddNewContents(WebContents* source,
+bool ShellWindow::AddNewContents(WebContents* source,
                                  WebContents* new_contents,
                                  WindowOpenDisposition disposition,
                                  const gfx::Rect& initial_pos,
                                  bool user_gesture) {
   DCHECK(source == web_contents_);
   DCHECK(Profile::FromBrowserContext(new_contents->GetBrowserContext()) ==
       profile_);
   Browser* browser = browser::FindOrCreateTabbedBrowser(profile_);
   // Force all links to open in a new tab, even if they were trying to open a
   // new window.
   disposition =
       disposition == NEW_BACKGROUND_TAB ? disposition : NEW_FOREGROUND_TAB;
-  chrome::AddWebContents(browser, NULL, new_contents, disposition, initial_pos,
-                         user_gesture);
+  return chrome::AddWebContents(
+      browser, NULL, new_contents, disposition, initial_pos, user_gesture);
 }
 
 void ShellWindow::HandleKeyboardEvent(
     WebContents* source,
     const content::NativeWebKeyboardEvent& event) {
   DCHECK_EQ(source, web_contents_);
   native_window_->HandleKeyboardEvent(event);
 }
 
 void ShellWindow::OnNativeClose() {
@@ skipping 126 matching lines @@
   extension_function_dispatcher_.Dispatch(params,
                                           web_contents_->GetRenderViewHost());
 }
 
 void ShellWindow::AddMessageToDevToolsConsole(ConsoleMessageLevel level,
                                               const std::string& message) {
   content::RenderViewHost* rvh = web_contents_->GetRenderViewHost();
   rvh->Send(new ExtensionMsg_AddMessageToConsole(
       rvh->GetRoutingID(), level, message));
 }