[WIN]Save work area of window and adjust bounds to ensure it fit on screen before show.

chrome/browser/extensions/platform_app_browsertest_util.cc

 // 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.
 
 #include "chrome/browser/extensions/platform_app_browsertest_util.h"
 
 #include "base/command_line.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/api/tabs/tabs_api.h"
 #include "chrome/browser/extensions/extension_function_test_utils.h"
@@ skipping 145 matching lines @@
 }
 
 void PlatformAppBrowserTest::CloseShellWindow(ShellWindow* window) {
   content::WindowedNotificationObserver destroyed_observer(
       content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
       content::NotificationService::AllSources());
   window->GetBaseWindow()->Close();
   destroyed_observer.Wait();
 }
 
+void PlatformAppBrowserTest::CallAdjustBoundsToBeVisibleOnScreenForShellWinow(
+    ShellWindow* window,
+    const gfx::Rect& cached_bounds,
+    const gfx::Rect& cached_screen_bounds,
+    const gfx::Rect& current_screen_bounds,
+    const gfx::Size& minimum_size,
+    gfx::Rect* bounds) {
+  window->AdjustBoundsToBeVisibleOnScreen(cached_bounds,
+                                          cached_screen_bounds,
+                                          current_screen_bounds,
+                                          minimum_size,
+                                          bounds);
+}
+
 void ExperimentalPlatformAppBrowserTest::SetUpCommandLine(
     CommandLine* command_line) {
   PlatformAppBrowserTest::SetUpCommandLine(command_line);
   command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
 }
 
 }  // namespace extensions