Tabs Extension: Implementation of tabs.duplicate api.

chrome/browser/ui/browser_commands.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/browser_commands.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_editor.h"
@@ skipping 473 matching lines @@
 void DuplicateTab(Browser* browser) {
   content::RecordAction(UserMetricsAction("Duplicate"));
   DuplicateTabAt(browser, browser->active_index());
 }
 
 bool CanDuplicateTab(const Browser* browser) {
   WebContents* contents = GetActiveWebContents(browser);
   return contents && contents->GetController().GetLastCommittedEntry();
 }
 
-void DuplicateTabAt(Browser* browser, int index) {
+TabContents* DuplicateTabAt(Browser* browser, int index) {
   TabContents* contents = GetTabContentsAt(browser, index);
   CHECK(contents);
   TabContents* contents_dupe =
       BrowserCommandsTabContentsCreator::CloneTabContents(contents);
 
   bool pinned = false;
   if (browser->CanSupportWindowFeature(Browser::FEATURE_TABSTRIP)) {
     // If this is a tabbed browser, just create a duplicate tab inside the same
     // window next to the tab being duplicated.
     int index = browser->tab_strip_model()->GetIndexOfTabContents(contents);
@@ skipping 29 matching lines @@
     browser->window()->Show();
 
     // The page transition below is only for the purpose of inserting the tab.
     AddTab(browser, contents_dupe, content::PAGE_TRANSITION_LINK);
   }
 
   SessionService* session_service =
       SessionServiceFactory::GetForProfileIfExisting(browser->profile());
   if (session_service)
     session_service->TabRestored(contents_dupe, pinned);
+  return contents_dupe;
 }
 
 bool CanDuplicateTabAt(Browser* browser, int index) {
   content::NavigationController& nc =
       GetWebContentsAt(browser, index)->GetController();
   return nc.GetWebContents() && nc.GetLastCommittedEntry();
 }
 
 void ConvertPopupToTabbedBrowser(Browser* browser) {
   content::RecordAction(UserMetricsAction("ShowAsTab"));
@@ skipping 444 matching lines @@
         BrowserCommandsTabContentsCreator::CreateTabContents(contents);
   }
   app_browser->tab_strip_model()->AppendTabContents(tab_contents, true);
 
   contents->GetMutableRendererPrefs()->can_accept_load_drops = false;
   contents->GetRenderViewHost()->SyncRendererPrefs();
   app_browser->window()->Show();
 }
 
 }  // namespace chrome