Allow secondary tiles to be unpinned.

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 23 matching lines @@
 #include "chrome/browser/ui/browser_command_controller.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_instant_controller.h"
 #include "chrome/browser/ui/browser_tab_restore_service_delegate.h"
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/constrained_window_tab_helper.h"
 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/browser/ui/fullscreen/fullscreen_controller.h"
+#include "chrome/browser/ui/metro_pin_tab_helper.h"
 #include "chrome/browser/ui/omnibox/location_bar.h"
 #include "chrome/browser/ui/search/search.h"
 #include "chrome/browser/ui/search/search_model.h"
 #include "chrome/browser/ui/status_bubble.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/webui/feedback_ui.h"
 #include "chrome/browser/ui/webui/ntp/app_launcher_handler.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 538 matching lines @@
 }
 
 void BookmarkAllTabs(Browser* browser) {
   BookmarkEditor::ShowBookmarkAllTabsDialog(browser);
 }
 
 bool CanBookmarkAllTabs(const Browser* browser) {
   return browser->tab_count() > 1 && CanBookmarkCurrentPage(browser);
 }
 
-#if !defined(OS_WIN)
-void PinCurrentPageToStartScreen(Browser* browser) {
+void TogglePagePinnedToStartScreen(Browser* browser) {
+  TabContents* current_tab = GetActiveTabContents(browser);
+  if (current_tab)

[sky, 2012/07/18 15:21:55]

You shouldn't need a NULL check here.

+    current_tab->metro_pin_tab_helper()->TogglePinnedToStartScreen();
 }
-#endif
 
 void SavePage(Browser* browser) {
   content::RecordAction(UserMetricsAction("SavePage"));
   WebContents* current_tab = GetActiveWebContents(browser);
   if (current_tab && current_tab->GetContentsMimeType() == "application/pdf")
     content::RecordAction(UserMetricsAction("PDF.SavePage"));
   current_tab->OnSavePage();
 }
 
 bool CanSavePage(const Browser* browser) {
@@ skipping 367 matching lines @@
   if (!tab_contents)
     tab_contents = new TabContents(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