Add temporary debug logging for crbug.com/639350.

chrome/test/base/interactive_test_utils.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_TEST_BASE_INTERACTIVE_TEST_UTILS_H_
 #define CHROME_TEST_BASE_INTERACTIVE_TEST_UTILS_H_
 
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "ui/base/test/ui_controls.h"
 
 namespace gfx {
 class Point;
 }
 
 #if defined(TOOLKIT_VIEWS)
 namespace views {
 class View;
 }
 #endif
 
 namespace ui_test_utils {
 
+// TODO(msw): Remove flaky test debug logging for http://crbug.com/639350.
+extern bool g_crbug_639350_logging;
+
 // Brings the native window for |browser| to the foreground. Returns true on
 // success.
 bool BringBrowserWindowToFront(const Browser* browser) WARN_UNUSED_RESULT;
 
 // Returns true if the View is focused.
 bool IsViewFocused(const Browser* browser, ViewID vid);
 
 // Simulates a mouse click on a View in the browser.
 void ClickOnView(const Browser* browser, ViewID vid);
 
@@ skipping 109 matching lines @@
 // ui_controls_linux.cc and ui_controls_mac.cc
 void ClickTask(ui_controls::MouseButton button,
                int state,
                const base::Closure& followup);
 
 }  // namespace internal
 
 }  // namespace ui_test_utils
 
 #endif  // CHROME_TEST_BASE_INTERACTIVE_TEST_UTILS_H_