Revert "Update all users of base::Version to explicitly specify the namespace, and clean up the hea…

chrome/installer/util/google_update_settings_unittest.cc

Index: chrome/installer/util/google_update_settings_unittest.cc
diff --git a/chrome/installer/util/google_update_settings_unittest.cc b/chrome/installer/util/google_update_settings_unittest.cc
index 58feba6a0ad825eee640776f8141727a72d43892..536b6f324e7a3a55c4fb57767bb6b8e4e32267bd 100644
--- a/chrome/installer/util/google_update_settings_unittest.cc
+++ b/chrome/installer/util/google_update_settings_unittest.cc
@@ -455,7 +455,7 @@ TEST_F(GoogleUpdateSettingsTest, SetEULAConsent) {
 
   // Chrome is installed.
   machine_state.AddChrome(system_level, multi_install,
-      new base::Version(chrome::kChromeVersion));
+      new Version(chrome::kChromeVersion));
 
   RegKey key;
   DWORD value;
@@ -749,7 +749,7 @@ TEST_P(GetGoogleUpdateVersion, TestEmptyValue) {
 TEST_P(GetGoogleUpdateVersion, TestRealValue) {
   RegKey(root_key_, google_update::kRegPathGoogleUpdate, KEY_SET_VALUE)
       .WriteValue(google_update::kRegGoogleUpdateVersion, kDummyVersion);
-  base::Version expected(base::UTF16ToUTF8(kDummyVersion));
+  Version expected(base::UTF16ToUTF8(kDummyVersion));
   EXPECT_TRUE(expected.Equals(
       GoogleUpdateSettings::GetGoogleUpdateVersion(system_install_)));
   // Make sure that there's no value in the other level (user or system).