Add scoped path overrides for system directories for ExtensionBrowserTests.

chrome/browser/extensions/extension_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/extensions/extension_browsertest.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
+#include "base/test/scoped_path_override.h"
 #include "chrome/browser/extensions/browsertest_util.h"
 #include "chrome/browser/extensions/component_loader.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_creator.h"
 #include "chrome/browser/extensions/extension_error_reporter.h"
 #include "chrome/browser/extensions/extension_install_prompt.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_util.h"
 #include "chrome/browser/extensions/unpacked_installer.h"
 #include "chrome/browser/extensions/updater/extension_cache_fake.h"
@@ skipping 37 matching lines @@
       set_chromeos_user_(true),
 #endif
       // Default channel is STABLE but override with UNKNOWN so that unlaunched
       // or incomplete APIs can write tests.
       current_channel_(chrome::VersionInfo::CHANNEL_UNKNOWN),
       override_prompt_for_external_extensions_(
           FeatureSwitch::prompt_for_external_extensions(),
           false),
       profile_(NULL) {
   EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
+
+  user_desktop_override_.reset(
+      new base::ScopedPathOverride(base::DIR_USER_DESKTOP));
+  common_desktop_override_.reset(
+      new base::ScopedPathOverride(base::DIR_COMMON_DESKTOP));
+  user_quick_launch_override_.reset(
+      new base::ScopedPathOverride(base::DIR_USER_QUICK_LAUNCH));
+  start_menu_override_.reset(
+      new base::ScopedPathOverride(base::DIR_START_MENU));
+  common_start_menu_override_.reset(
+      new base::ScopedPathOverride(base::DIR_COMMON_START_MENU));
 }
 
 ExtensionBrowserTest::~ExtensionBrowserTest() {
 }
 
 Profile* ExtensionBrowserTest::profile() {
   if (!profile_) {
     if (browser())
       profile_ = browser()->profile();
     else
@@ skipping 561 matching lines @@
   return extensions::browsertest_util::ExecuteScriptInBackgroundPage(
       profile(), extension_id, script);
 }
 
 bool ExtensionBrowserTest::ExecuteScriptInBackgroundPageNoWait(
     const std::string& extension_id,
     const std::string& script) {
   return extensions::browsertest_util::ExecuteScriptInBackgroundPageNoWait(
       profile(), extension_id, script);
 }