Create a temp download directory for WebstorePrivateApiTest

chrome/browser/extensions/api/webstore_private/webstore_private_apitest.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 <vector>
 
 #include "base/callback_list.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 139 matching lines @@
     // Grab references to the fake signin manager and token service.
     signin_manager_ =
         static_cast<FakeSigninManagerForTesting*>(
             SigninManagerFactory::GetInstance()->GetForProfile(profile()));
     ASSERT_TRUE(signin_manager_);
     token_service_ =
         static_cast<FakeProfileOAuth2TokenService*>(
             ProfileOAuth2TokenServiceFactory::GetInstance()->GetForProfile(
                 profile()));
     ASSERT_TRUE(token_service_);
+
+    ASSERT_TRUE(webstore_install_dir_.CreateUniqueTempDir());
+    webstore_install_dir_copy_ = webstore_install_dir_.path();
+    WebstoreInstaller::SetDownloadDirectoryForTests(
+        &webstore_install_dir_copy_);
   }
 
  protected:
   // Returns a test server URL, but with host 'www.example.com' so it matches
   // the web store app's extent that we set up via command line flags.
   virtual GURL GetTestServerURL(const std::string& path) {
     GURL url = test_server()->GetURL(
         std::string("files/extensions/api_test/webstore_private/") + path);
 
     // Replace the host with 'www.example.com' so it matches the web store
@@ skipping 46 matching lines @@
     return browser()->profile()->GetExtensionService();
   }
 
   FakeSigninManagerForTesting* signin_manager_;
   FakeProfileOAuth2TokenService* token_service_;
 
  private:
   scoped_ptr<base::CallbackList<void(content::BrowserContext*)>::Subscription>
       will_create_browser_context_services_subscription_;
 
+  base::ScopedTempDir webstore_install_dir_;
+  // WebstoreInstaller needs a reference to a FilePath when setting the download
+  // directory for testing.
+  base::FilePath webstore_install_dir_copy_;
 };
 
 // Test cases for webstore origin frame blocking.
 // TODO(mkwst): Disabled until new X-Frame-Options behavior rolls into
 // Chromium, see crbug.com/226018.
 IN_PROC_BROWSER_TEST_F(ExtensionWebstorePrivateApiTest,
                        DISABLED_FrameWebstorePageBlocked) {
   base::string16 expected_title = base::UTF8ToUTF16("PASS: about:blank");
   base::string16 failure_title = base::UTF8ToUTF16("FAIL");
   content::TitleWatcher watcher(GetWebContents(), expected_title);
@@ skipping 326 matching lines @@
       content::Source<content::NavigationController>(
           &GetWebContents()->GetController()));
   StartSignInTest("sign_in_redirect_to_sign_in.html");
   observer.Wait();
 
   // TODO(isherman): Also test the redirect back to the continue URL once
   // sign-in completes?
 }
 
 }  // namespace extensions