Fix a case where non-tabbed browser windows could open tabs. Also includes UI...

chrome/browser/browser_unittest.cc

+// Copyright (c) 2009 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/browser.h"
+#include "chrome/test/in_process_browser_test.h"
+#include "net/base/host_resolver_unittest.h"
+
+class BrowserTest : public InProcessBrowserTest {
+ public:
+  BrowserTest() {
+    host_mapper_ = new net::RuleBasedHostMapper();
+    // Avoid making external DNS lookups. In this test we don't need this
+    // to succeed.
+    host_mapper_->AddSimulatedFailure("*.google.com");
+    scoped_host_mapper_.Init(host_mapper_.get());
+  }
+
+ private:
+  scoped_refptr<net::RuleBasedHostMapper> host_mapper_;
+  net::ScopedHostMapper scoped_host_mapper_;
+};
+
+// This tests that windows without tabstrips can't have new tabs opened in
+// them.
+IN_PROC_BROWSER_TEST_F(BrowserTest, NoTabsInPopups) {
+  Browser::RegisterAppPrefs(L"Test");
+
+  // We start with a normal browser with one tab.
+  EXPECT_EQ(1, browser()->tab_count());
+
+  // Open a popup browser with a single blank foreground tab.
+  Browser* popup_browser = browser()->CreateForPopup(browser()->profile());
+  popup_browser->AddBlankTab(true);
+  EXPECT_EQ(1, popup_browser->tab_count());
+
+  // Now try opening another tab in the popup browser.
+  popup_browser->AddTabWithURL(GURL("about:blank"), GURL(),
+                               PageTransition::TYPED, true, NULL);
+  
+  // The popup should still only have one tab.
+  EXPECT_EQ(1, popup_browser->tab_count());
+
+  // The normal browser should now have two.
+  EXPECT_EQ(2, browser()->tab_count());
+
+  // Open an app frame browser with a single blank foreground tab.
+  Browser* app_browser =
+      browser()->CreateForApp(L"Test", browser()->profile(), false);
+  app_browser->AddBlankTab(true);
+  EXPECT_EQ(1, app_browser->tab_count());
+
+  // Now try opening another tab in the app browser.
+  app_browser->AddTabWithURL(GURL("about:blank"), GURL(),
+                             PageTransition::TYPED, true, NULL);
+  
+  // The popup should still only have one tab.
+  EXPECT_EQ(1, app_browser->tab_count());
+
+  // The normal browser should now have three.
+  EXPECT_EQ(3, browser()->tab_count());
+
+  // Open an app frame popup browser with a single blank foreground tab.
+  Browser* app_popup_browser =
+      browser()->CreateForApp(L"Test", browser()->profile(), false);
+  app_popup_browser->AddBlankTab(true);
+  EXPECT_EQ(1, app_popup_browser->tab_count());
+
+  // Now try opening another tab in the app popup browser.
+  app_popup_browser->AddTabWithURL(GURL("about:blank"), GURL(),
+                                   PageTransition::TYPED, true, NULL);
+  
+  // The popup should still only have one tab.
+  EXPECT_EQ(1, app_popup_browser->tab_count());
+
+  // The normal browser should now have four.
+  EXPECT_EQ(4, browser()->tab_count());
+
+  // Close the additional browsers.
+  popup_browser->CloseAllTabs();
+  app_browser->CloseAllTabs();
+  app_popup_browser->CloseAllTabs();
+}