Disable off-store extension installs by default.

chrome/browser/extensions/crx_installer_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 "chrome/browser/download/download_crx_util.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/download/download_test_observer.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_browsertest.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_file_util.h"
+#include "chrome/common/extensions/extension_switch_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
 
 class SkBitmap;
 
 namespace {
 
 // Observer waits for exactly one download to finish.
 
 class MockInstallUI : public ExtensionInstallUI {
  public:
@@ skipping 33 matching lines @@
     MockInstallUI* mock_install_ui = new MockInstallUI(browser()->profile());
     FilePath ext_path = test_data_dir_.AppendASCII(ext_relpath);
 
     std::string error;
     base::DictionaryValue* parsed_manifest =
         extension_file_util::LoadManifest(ext_path, &error);
     if (!parsed_manifest)
       return false;
 
     scoped_ptr<WebstoreInstaller::Approval> approval(
-        new WebstoreInstaller::Approval);
-    approval->extension_id = id;
-    approval->profile = browser()->profile();
-    approval->parsed_manifest.reset(parsed_manifest);
+        WebstoreInstaller::Approval::CreateWithNoInstallPrompt(
+            browser()->profile(),
+            id,
+            scoped_ptr<base::DictionaryValue>(parsed_manifest)));
 
     scoped_refptr<CrxInstaller> installer(
         CrxInstaller::Create(service,
                              mock_install_ui, /* ownership transferred */
                              approval.get()   /* keep ownership */));
     installer->set_allow_silent_install(true);
     installer->set_is_gallery_install(true);
     installer->InstallCrx(PackExtension(ext_path));
     ui_test_utils::RunMessageLoop();
 
@@ skipping 33 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(ExtensionCrxInstallerTest, PlatformAppCrx) {
   CommandLine* command_line = CommandLine::ForCurrentProcess();
   command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
   command_line->AppendSwitch(switches::kEnablePlatformApps);
   EXPECT_TRUE(InstallExtension(
       test_data_dir_.AppendASCII("minimal_platform_app.crx"), 1));
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionCrxInstallerTest, PackAndInstallExtension) {
+  if (!extensions::switch_utils::IsOffStoreInstallEnabled())
+    return;
+
   const int kNumDownloadsExpected = 1;
   const bool kExpectFileSelectDialog = false;
 
   LOG(ERROR) << "PackAndInstallExtension: Packing extension";
   FilePath crx_path = PackExtension(
       test_data_dir_.AppendASCII("common/background_page"));
   ASSERT_FALSE(crx_path.empty());
   std::string crx_path_string(crx_path.value().begin(), crx_path.value().end());
   GURL url = GURL(std::string("file:///").append(crx_path_string));
 
@@ skipping 12 matching lines @@
           DownloadTestObserver::ON_DANGEROUS_DOWNLOAD_ACCEPT));
   LOG(ERROR) << "PackAndInstallExtension: Navigating to URL";
   ui_test_utils::NavigateToURLWithDisposition(browser(), url, CURRENT_TAB,
       ui_test_utils::BROWSER_TEST_NONE);
 
   EXPECT_TRUE(WaitForExtensionInstall());
   LOG(ERROR) << "PackAndInstallExtension: Extension install";
   EXPECT_TRUE(mock_ui->confirmation_requested());
   LOG(ERROR) << "PackAndInstallExtension: Extension install confirmed";
 }