Add a disable button to the Extension management UI.

chrome/browser/extensions/extension_browsertests_misc.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 "base/ref_counted.h"
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_host.h"
@@ skipping 483 matching lines @@
   ExtensionsService* service = browser()->profile()->GetExtensionsService();
   EXPECT_EQ(0u, service->extensions()->size());
   ASSERT_EQ(1u, service->disabled_extensions()->size());
 
   // Now try uninstalling it.
   UninstallExtension(service->disabled_extensions()->at(0)->id());
   EXPECT_EQ(0u, service->extensions()->size());
   EXPECT_EQ(0u, service->disabled_extensions()->size());
 }
 
+// Tests that disabling and re-enabling an extension works.
+IN_PROC_BROWSER_TEST_F(ExtensionBrowserTest, DisableEnable) {
+  ExtensionsService* service = browser()->profile()->GetExtensionsService();
+  ExtensionProcessManager* manager =
+      browser()->profile()->GetExtensionProcessManager();
+
+  // Load an extension, expect the toolstrip to be available.
+  ASSERT_TRUE(LoadExtension(
+      test_data_dir_.AppendASCII("good").AppendASCII("Extensions")
+                    .AppendASCII("bjafgdebaacbbbecmhlhpofkepfkgcpa")
+                    .AppendASCII("1.0")));
+  EXPECT_EQ(1u, service->extensions()->size());
+  EXPECT_EQ(0u, service->disabled_extensions()->size());
+  EXPECT_TRUE(FindHostWithPath(manager, "/toolstrip.html", 1));
+
+  // After disabling, the toolstrip should go away.
+  service->DisableExtension("bjafgdebaacbbbecmhlhpofkepfkgcpa");
+  EXPECT_EQ(0u, service->extensions()->size());
+  EXPECT_EQ(1u, service->disabled_extensions()->size());
+  EXPECT_FALSE(FindHostWithPath(manager, "/toolstrip.html", 0));
+
+  // And bring it back.
+  service->EnableExtension("bjafgdebaacbbbecmhlhpofkepfkgcpa");
+  EXPECT_EQ(1u, service->extensions()->size());
+  EXPECT_EQ(0u, service->disabled_extensions()->size());
+  EXPECT_TRUE(FindHostWithPath(manager, "/toolstrip.html", 1));
+}
+
 // Helper function for common code shared by the 3 WindowOpen tests below.
 static TabContents* WindowOpenHelper(Browser* browser, const GURL& start_url,
                                     const std::string& newtab_url) {
   ui_test_utils::NavigateToURL(browser, start_url);
 
   bool result = false;
   ui_test_utils::ExecuteJavaScriptAndExtractBool(
       browser->GetSelectedTabContents()->render_view_host(), L"",
       L"window.open('" + UTF8ToWide(newtab_url) + L"');"
       L"window.domAutomationController.send(true);", &result);
@@ skipping 53 matching lines @@
       browser(),
       GURL("about:blank"),
       "chrome-extension://aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/newtab.html");
 
   // Extension API should fail.
   bool result = false;
   ui_test_utils::ExecuteJavaScriptAndExtractBool(
       newtab->render_view_host(), L"", L"testExtensionApi()", &result);
   EXPECT_FALSE(result);
 }