alternate ntp (cros/partial-win): add tab-related stuff and toolbar/tab background change

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
diff --git a/chrome/browser/ui/browser.h b/chrome/browser/ui/browser.h
index 94cc290251d3593c230b1310da3ee1d3a4660429..7e66ff784605d7a363f30d285b996cbb70916088 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -272,6 +272,9 @@ class Browser : public TabStripModelDelegate,
   BrowserWindow* window() const { return window_; }
   ToolbarModel* toolbar_model() { return toolbar_model_.get(); }
   chrome::search::SearchModel* search_model() { return search_model_.get(); }
+  chrome::search::SearchDelegate* search_delegate() {
+      return search_delegate_.get();
+  }
   const SessionID& session_id() const { return session_id_; }
   CommandUpdater* command_updater() { return &command_updater_; }
   bool block_command_execution() const { return block_command_execution_; }