Revert of Loading screenshots and simple 1-to-1 comparison of screenshots

chrome/browser/chromeos/login/login_ui_browsertest.cc

 // Copyright 2013 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/command_line.h"
 #include "base/prefs/pref_service.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/login/login_manager_test.h"
@@ skipping 130 matching lines @@
 
 class LoginUITest : public chromeos::LoginManagerTest {
  public:
   bool enable_test_screenshots_;
   LoginUITest() : LoginManagerTest(false) {}
   virtual ~LoginUITest() {}
   virtual void SetUpOnMainThread() OVERRIDE {
     enable_test_screenshots_ = screenshot_tester.TryInitialize();
     if (enable_test_screenshots_) {
       animation_delay_handler.Initialize();
+    } else {
+      LOG(WARNING) << "Screenshots will not be taken";
     }
     LoginManagerTest::SetUpOnMainThread();
   }
 
  protected:
   AnimationDelayHandler animation_delay_handler;
   ScreenshotTester screenshot_tester;
 };
 
 IN_PROC_BROWSER_TEST_F(LoginUITest, PRE_LoginUIVisible) {
@@ skipping 25 matching lines @@
   prefs->SetBoolean(prefs::kDeviceEnrollmentAutoStart, true);
 }
 
 // Tests that the default first screen is the network screen after OOBE
 // when auto enrollment is enabled and device is not yet enrolled.
 IN_PROC_BROWSER_TEST_F(LoginUITest, InterruptedAutoStartEnrollment) {
   OobeScreenWaiter(OobeDisplay::SCREEN_OOBE_NETWORK).Wait();
 }
 
 }  // namespace chromeos