Redirect USER_DATA_DIR for GoogleUpdateTest and FirstRunTest.

chrome/browser/google/google_update_settings_unittest.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 "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "base/path_service.h"
+#include "base/scoped_temp_dir.h"
 #include "chrome/browser/google/google_util.h"
+#include "chrome/common/chrome_paths.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/platform_test.h"
 
 class GoogleUpdateTest : public PlatformTest {
+ protected:
+  GoogleUpdateTest() {}
+  virtual ~GoogleUpdateTest() {}
+
+  virtual void SetUp() OVERRIDE {
+    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
+    PathService::Override(chrome::DIR_USER_DATA, temp_dir_.path());
+  }
+
+ private:
+  ScopedTempDir temp_dir_;
+
+  DISALLOW_COPY_AND_ASSIGN(GoogleUpdateTest);
 };
 
 TEST_F(GoogleUpdateTest, StatsConsent) {
   // Stats are off by default.
   EXPECT_FALSE(GoogleUpdateSettings::GetCollectStatsConsent());
   // Stats reporting is ON.
   EXPECT_TRUE(GoogleUpdateSettings::SetCollectStatsConsent(true));
   EXPECT_TRUE(GoogleUpdateSettings::GetCollectStatsConsent());
   // Stats reporting is OFF.
   EXPECT_TRUE(GoogleUpdateSettings::SetCollectStatsConsent(false));
@@ skipping 21 matching lines @@
   EXPECT_FALSE(google_util::IsOrganicFirstRun("CHMA"));
   EXPECT_TRUE(google_util::IsOrganicFirstRun("EUBA"));
   EXPECT_TRUE(google_util::IsOrganicFirstRun("GGRA"));
 
 #if defined(OS_MACOSX)
   // An empty brand string on Mac is used for channels other than stable,
   // which are always organic.
   EXPECT_TRUE(google_util::IsOrganicFirstRun(""));
 #endif
 }