ntp: remove dead first run code

chrome/test/startup/feature_startup_test.cc

 // Copyright (c) 2011 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 "base/file_util.h"
 #include "base/path_service.h"
 #include "base/perftimer.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 28 matching lines @@
       base::StringAppendF(&times, "%.2f,", timings[i].InMillisecondsF());
     PrintResultList("new_tab", "", label, times, "ms", important);
   }
 
   void InitProfile(UITestBase::ProfileType profile_type) {
     profile_type_ = profile_type;
 
     // Install the location of the test profile file.
     set_template_user_data(UITest::ComputeTypicalUserDataSource(
         profile_type));
-
-    // Disable the first run notification because it has an animation which
-    // masks any real performance regressions.
-    launch_arguments_.AppendSwitch(switches::kDisableNewTabFirstRun);
   }
 
   // Run the test, by bringing up a browser and timing the new tab startup.
   // |want_warm| is true if we should output warm-disk timings, false if
   // we should report cold timings.
   void RunStartupTest(const char* label, bool want_warm, bool important,
                       UITestBase::ProfileType profile_type) {
     InitProfile(profile_type);
 
     TimeDelta timings[kNumCycles];
@@ skipping 150 matching lines @@
 }
 
 TEST_F(NewTabUIStartupTest, NativeFrameGtkThemeCold) {
   RunStartupTest("tab_custom_frame_gtk_theme_cold", false /* cold */,
                  false /* not important */,
                  UITestBase::CUSTOM_FRAME_NATIVE_THEME);
 }
 #endif
 
 }  // namespace