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..b7f89b215430b40a8e51e65c11c7e1edaae7f533 100644
--- a/chrome/browser/extensions/extension_browsertest.cc
+++ b/chrome/browser/extensions/extension_browsertest.cc
@@ -71,6 +71,28 @@ ExtensionBrowserTest::ExtensionBrowserTest()
           false),
       profile_(NULL) {
   EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
+
+  EXPECT_TRUE(fake_user_desktop_.CreateUniqueTempDir());
+  EXPECT_TRUE(fake_common_desktop_.CreateUniqueTempDir());
+  EXPECT_TRUE(fake_user_quick_launch_.CreateUniqueTempDir());
+  EXPECT_TRUE(fake_default_user_quick_launch_.CreateUniqueTempDir());
+  EXPECT_TRUE(fake_start_menu_.CreateUniqueTempDir());
+  EXPECT_TRUE(fake_common_start_menu_.CreateUniqueTempDir());
+  user_desktop_override_.reset(
+      new base::ScopedPathOverride(base::DIR_USER_DESKTOP,
+                                   fake_user_desktop_.path()));
+  common_desktop_override_.reset(
+      new base::ScopedPathOverride(base::DIR_COMMON_DESKTOP,
+                                   fake_common_desktop_.path()));
+  user_quick_launch_override_.reset(
+      new base::ScopedPathOverride(base::DIR_USER_QUICK_LAUNCH,
+                                   fake_user_quick_launch_.path()));
+  start_menu_override_.reset(
+      new base::ScopedPathOverride(base::DIR_START_MENU,
+                                   fake_start_menu_.path()));
+  common_start_menu_override_.reset(
+      new base::ScopedPathOverride(base::DIR_COMMON_START_MENU,
+                                   fake_common_start_menu_.path()));
 }
 
 ExtensionBrowserTest::~ExtensionBrowserTest() {