Add tests for ShellWindowLinkDelegate::OpenURLFromTab

chrome/browser/extensions/platform_app_browsertest.cc

Index: chrome/browser/extensions/platform_app_browsertest.cc
diff --git a/chrome/browser/extensions/platform_app_browsertest.cc b/chrome/browser/extensions/platform_app_browsertest.cc
index 03b046cdc7814b4fc4a2659d3895179c050e2d04..075d1cddcbd4139dbacf01a7a2b0c6afc3ebc013 100644
--- a/chrome/browser/extensions/platform_app_browsertest.cc
+++ b/chrome/browser/extensions/platform_app_browsertest.cc
@@ -605,6 +605,15 @@ IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, GetDisplayPath) {
       << message_;
 }
 
+// Test that ShellWindowLinkDelegate::OpenURLFromTab doesn't crash. This code
+// relies on the WebContents implementation not dereferencing the Source
+// WebContents after ShellWindowLinkDelegate frees it.
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, ExternalOpenLink) {
+  ShellWindow::EnableExternalOpenForTesting();
+  ASSERT_TRUE(RunPlatformAppTest("platform_apps/external_open_link"));
+  ShellWindow::DisableExternalOpenForTesting();
+}
+
 #endif  // defined(OS_CHROMEOS)
 
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, OpenLink) {