Adds ui_test_utils::SendAndWaitForKeyPress and converts callers (where

chrome/browser/autocomplete/autocomplete_edit_view_browsertest.cc

 // Copyright (c) 2010 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 <stdio.h>
 
 #include "base/keyboard_codes.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/platform_thread.h"
@@ skipping 107 matching lines @@
     ASSERT_TRUE(window);
     LocationBar* loc_bar = window->GetLocationBar();
     ASSERT_TRUE(loc_bar);
     *edit_view = loc_bar->location_entry();
     ASSERT_TRUE(*edit_view);
   }
 
   void SendKey(base::KeyboardCode key, bool control, bool shift, bool alt) {
     gfx::NativeWindow window = NULL;
     ASSERT_NO_FATAL_FAILURE(GetNativeWindow(&window));
-    ui_controls::SendKeyPressNotifyWhenDone(window, key, control, shift, alt,
-                                            false /* command */,
-                                            new MessageLoop::QuitTask());
-    ui_test_utils::RunMessageLoop();
+    ASSERT_TRUE(
+        ui_test_utils::SendKeyPressSync(
+            window, key, control, shift, alt, false /* command */));
   }
 
   void SendKeySequence(const wchar_t* keys) {
     for (; *keys; ++keys)
       ASSERT_NO_FATAL_FAILURE(SendKey(static_cast<base::KeyboardCode>(*keys),
                                       false, false, false));
   }
 
   void WaitForTabOpenOrClose(int expected_tab_count) {
     int tab_count = browser()->tab_count();
@@ skipping 400 matching lines @@
       break;
   }
 
   EXPECT_NE(old_text, edit_view->GetText());
 
   // Escape shall revert back to the default match item.
   ASSERT_NO_FATAL_FAILURE(SendKey(base::VKEY_ESCAPE, false, false, false));
   EXPECT_EQ(old_text, edit_view->GetText());
   EXPECT_EQ(old_selected_line, popup_model->selected_line());
 }