Move tab functions off Browser into browser_tabstrip and browser_tabrestore.

chrome/browser/infobars/infobars_browsertest.cc

Index: chrome/browser/infobars/infobars_browsertest.cc
===================================================================
--- chrome/browser/infobars/infobars_browsertest.cc	(revision 145001)
+++ chrome/browser/infobars/infobars_browsertest.cc	(working copy)
@@ -9,6 +9,7 @@
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
@@ -73,7 +74,7 @@
   infobar_added_2.Wait();
   infobar_removed_1.Wait();
   EXPECT_EQ(0u,
-            browser()->GetTabContentsAt(0)->infobar_tab_helper()->
+            chrome::GetTabContentsAt(browser(), 0)->infobar_tab_helper()->
                 infobar_count());
 
   ui_test_utils::WindowedNotificationObserver infobar_removed_2(
@@ -82,6 +83,6 @@
   ThemeServiceFactory::GetForProfile(browser()->profile())->UseDefaultTheme();
   infobar_removed_2.Wait();
   EXPECT_EQ(0u,
-            browser()->GetActiveTabContents()->infobar_tab_helper()->
+            chrome::GetActiveTabContents(browser())->infobar_tab_helper()->
                 infobar_count());
 }