[mac] Implement a windowed extension install/permissions prompt.

chrome/browser/ui/cocoa/extensions/windowed_install_dialog_controller_browsertest.mm

+// Copyright 2013 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.
+
+#import "chrome/browser/ui/cocoa/extensions/windowed_install_dialog_controller.h"
+
+#include "base/run_loop.h"
+#include "chrome/browser/ui/browser.h"
+#import "chrome/browser/ui/cocoa/extensions/extension_install_prompt_test_utils.h"
+#import "chrome/browser/ui/cocoa/extensions/extension_install_view_controller.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "content/public/browser/browser_thread.h"
+#include "extensions/common/extension.h"
+
+namespace {
+
+// Similar to ShowExtensionInstallDialogImpl except this allows the created
+// dialog controller to be captured and manipulated for tests.
+void TestingShowAppListInstallDialogController(
+    WindowedInstallDialogController** controller,
+    const ExtensionInstallPrompt::ShowParams& show_params,
+    ExtensionInstallPrompt::Delegate* delegate,
+    const ExtensionInstallPrompt::Prompt& prompt) {
+  *controller =
+      new WindowedInstallDialogController(show_params, delegate, prompt);
+}
+
+typedef InProcessBrowserTest WindowedInstallDialogControllerBrowserTest;
+
+}  // namespace
+
+// Test for showing an extension install prompt with no parent WebContents.
+IN_PROC_BROWSER_TEST_F(WindowedInstallDialogControllerBrowserTest,
+                       ShowInstallDialog) {
+  // Construct a prompt with a NULL parent window, the way ExtensionEnableFlow
+  // will for the Mac app list. For testing, sets a NULL PageNavigator as well.
+  scoped_ptr<ExtensionInstallPrompt> prompt(
+      new ExtensionInstallPrompt(browser()->profile(), NULL, NULL));
+
+  WindowedInstallDialogController* controller = NULL;
+  chrome::MockExtensionInstallPromptDelegate delegate;
+  scoped_refptr<extensions::Extension> extension =
+      chrome::LoadInstallPromptExtension("permissions", "many-apis.json");
+  prompt->ConfirmInstall(
+      &delegate,
+      extension.get(),
+      base::Bind(&TestingShowAppListInstallDialogController, &controller));
+
+  // The prompt needs to load the image, which happens on the blocking pool.
+  content::BrowserThread::GetBlockingPool()->FlushForTesting();
+  base::RunLoop().RunUntilIdle();
+  ASSERT_TRUE(controller);
+
+  base::scoped_nsobject<NSWindow> window(
+      [[[controller->GetViewController() view] window] retain]);
+  EXPECT_TRUE([window isVisible]);
+  EXPECT_TRUE([window delegate]);
+  EXPECT_EQ(0, delegate.abort_count());
+
+  // Press cancel to close the window.
+  [[controller->GetViewController() cancelButton] performClick:nil];
+  EXPECT_FALSE([window delegate]);
+  EXPECT_EQ(1, delegate.abort_count());
+
+  // Ensure the window is closed.
+  EXPECT_FALSE([window isVisible]);
+}