Update other unittests to use newly added TestingBrowserProcess::GetGlobal().

chrome/browser/ui/tab_contents/tab_contents_iterator_unittest.cc

Index: chrome/browser/ui/tab_contents/tab_contents_iterator_unittest.cc
diff --git a/chrome/browser/ui/tab_contents/tab_contents_iterator_unittest.cc b/chrome/browser/ui/tab_contents/tab_contents_iterator_unittest.cc
index 634bdbed28f681727be8ab1e461c0b3c374ab60d..a0faa92b692a8faf1a0e1c43818331300a3c7884 100644
--- a/chrome/browser/ui/tab_contents/tab_contents_iterator_unittest.cc
+++ b/chrome/browser/ui/tab_contents/tab_contents_iterator_unittest.cc
@@ -154,7 +154,7 @@ TEST_F(BrowserListTest, MAYBE_AttemptRestart) {
                                            false);
 
   TestingBrowserProcess* testing_browser_process =
-      static_cast<TestingBrowserProcess*>(g_browser_process);
+      TestingBrowserProcess::GetGlobal();
   testing_browser_process->SetLocalState(&testing_pref_service);
   ASSERT_TRUE(g_browser_process->local_state());
   ProfileManager* profile_manager = new ProfileManager(FilePath());