Add scoped path overrides for system directories for ExtensionBrowserTests.

chrome/browser/extensions/extension_browsertest.cc

Index: chrome/browser/extensions/extension_browsertest.cc
diff --git a/chrome/browser/extensions/extension_browsertest.cc b/chrome/browser/extensions/extension_browsertest.cc
index 5f888bf6f371170f4dacca4d18a728b4f162f381..5cbaf59e6036351957cab54e2df276b4255aadd3 100644
--- a/chrome/browser/extensions/extension_browsertest.cc
+++ b/chrome/browser/extensions/extension_browsertest.cc
@@ -14,6 +14,7 @@
 #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"
@@ -71,6 +72,17 @@ ExtensionBrowserTest::ExtensionBrowserTest()
           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() {