[GTTF] Various ui tests cleanups:

chrome/browser/iframe_uitest.cc

 // Copyright (c) 2006-2008 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/basictypes.h"
 #include "base/file_path.h"
-#include "base/platform_thread.h"
 #include "build/build_config.h"
 #include "chrome/test/ui/ui_test.h"
 #include "net/base/net_util.h"
 
 class IFrameTest : public UITest {
  protected:
   void NavigateAndVerifyTitle(const char* url, const wchar_t* page_title) {
     FilePath test_file(test_data_directory_);
     test_file = test_file.AppendASCII(url);
 
     NavigateToURL(net::FilePathToFileURL(test_file));
-    // The browser lazily updates the title.
-    PlatformThread::Sleep(sleep_timeout_ms());
-
-    // Make sure the navigation succeeded.
     EXPECT_EQ(std::wstring(page_title), GetActiveTabTitle());
-
-    // UITest will check if this crashed.
   }
 };
 
 TEST_F(IFrameTest, Crash) {
   NavigateAndVerifyTitle("iframe.html", L"iframe test");
 }
 
 TEST_F(IFrameTest, InEmptyFrame) {
   NavigateAndVerifyTitle("iframe_in_empty_frame.html", L"iframe test");
 }