[Extensions] Fix a bug in the startup pages override bubble

chrome/browser/ui/toolbar/toolbar_actions_bar_unittest.cc

Index: chrome/browser/ui/toolbar/toolbar_actions_bar_unittest.cc
diff --git a/chrome/browser/ui/toolbar/toolbar_actions_bar_unittest.cc b/chrome/browser/ui/toolbar/toolbar_actions_bar_unittest.cc
index 9b88f6328ac8c04b48e148c5032f40dd50ddb163..d8497128df104207e961b3438d6b44b8b22570b1 100644
--- a/chrome/browser/ui/toolbar/toolbar_actions_bar_unittest.cc
+++ b/chrome/browser/ui/toolbar/toolbar_actions_bar_unittest.cc
@@ -20,6 +20,8 @@
 #include "chrome/browser/ui/toolbar/toolbar_actions_bar.h"
 #include "chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h"
 #include "chrome/common/pref_names.h"
+#include "chrome/test/base/scoped_testing_local_state.h"
+#include "chrome/test/base/testing_browser_process.h"
 #include "extensions/browser/extension_prefs.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/extension.h"
@@ -92,6 +94,9 @@ ToolbarActionsBarUnitTest::~ToolbarActionsBarUnitTest() {}
 
 void ToolbarActionsBarUnitTest::SetUp() {
   BrowserWithTestWindowTest::SetUp();
+  local_state_.reset(
+      new ScopedTestingLocalState(TestingBrowserProcess::GetGlobal()));
+
   // The toolbar typically displays extension icons, so create some extension
   // test infrastructure.
   extensions::TestExtensionSystem* extension_system =
@@ -123,6 +128,7 @@ void ToolbarActionsBarUnitTest::TearDown() {
   overflow_browser_action_test_util_.reset();
   ToolbarActionsBar::disable_animations_for_testing_ = false;
   material_design_state_.reset();
+  local_state_.reset();
   BrowserWithTestWindowTest::TearDown();
 }