Redirect USER_DATA_DIR for GoogleUpdateTest and FirstRunTest.

chrome/browser/google/google_update_settings_unittest.cc

Index: chrome/browser/google/google_update_settings_unittest.cc
diff --git a/chrome/browser/google/google_update_settings_unittest.cc b/chrome/browser/google/google_update_settings_unittest.cc
index 0896a1647c226b90b7c35ac82371941609cf3a65..245e029e6a50c00d3b478fc5d28f45b8d7c8e703 100644
--- a/chrome/browser/google/google_update_settings_unittest.cc
+++ b/chrome/browser/google/google_update_settings_unittest.cc
@@ -2,12 +2,30 @@
 // 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) {