Added basic browser test for window.print() from Chrome apps.

chrome/browser/extensions/platform_app_browsertest.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 "apps/launcher.h"
 #include "apps/native_app_window.h"
 #include "apps/shell_window.h"
 #include "apps/shell_window_registry.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 1005 matching lines @@
   LoadAndLaunchPlatformApp("minimal");
   ASSERT_TRUE(launched_listener.WaitUntilSatisfied());
 
   EXPECT_EQ(1LU, GetShellWindowCount());
   ShellWindowRegistry::ShellWindowList shell_windows = ShellWindowRegistry::Get(
       browser()->profile())->shell_windows();
   EXPECT_TRUE((*shell_windows.begin())->web_contents()->
       GetRenderWidgetHostView()->HasFocus());
 }
 
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, WindowDotPrintWorks) {
+  ASSERT_TRUE(RunPlatformAppTest("platform_apps/print_api")) << message_;
+}
+
 
 #if defined(OS_CHROMEOS)
 
 class PlatformAppIncognitoBrowserTest : public PlatformAppBrowserTest,
                                         public ShellWindowRegistry::Observer {
  public:
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     // Tell chromeos to launch in Guest mode, aka incognito.
     command_line->AppendSwitch(switches::kIncognito);
     PlatformAppBrowserTest::SetUpCommandLine(command_line);
@@ skipping 43 matching lines @@
 
   while (!ContainsKey(opener_app_ids_, file_manager->id())) {
     content::RunAllPendingInMessageLoop();
   }
 }
 
 #endif  // defined(OS_CHROMEOS)
 
 
 }  // namespace extensions