Switch ChromeTestSuite to the same convention as ContentTestSuite:

chrome/browser/chromeos/login/owner_manager_unittest.cc

Index: chrome/browser/chromeos/login/owner_manager_unittest.cc
diff --git a/chrome/browser/chromeos/login/owner_manager_unittest.cc b/chrome/browser/chromeos/login/owner_manager_unittest.cc
index dd43817f7b60923646b10ec8d1380c7664476969..f9a0e0b159d0fb702bd96865514e0dc19d22c11d 100644
--- a/chrome/browser/chromeos/login/owner_manager_unittest.cc
+++ b/chrome/browser/chromeos/login/owner_manager_unittest.cc
@@ -13,7 +13,6 @@
 #include "base/scoped_temp_dir.h"
 #include "chrome/browser/chromeos/login/mock_owner_key_utils.h"
 #include "chrome/common/chrome_notification_types.h"
-#include "chrome/test/base/testing_browser_process_test.h"
 #include "content/browser/browser_thread.h"
 #include "crypto/nss_util.h"
 #include "crypto/rsa_private_key.h"
@@ -119,7 +118,7 @@ void MockSigner::OnKeyOpComplete(const OwnerManager::KeyOpCode return_code,
 ////////////////////////////////////////////////////////////////////////////////
 // OwnerManagerTest
 
-class OwnerManagerTest : public TestingBrowserProcessTest {
+class OwnerManagerTest : public testing::Test {
  public:
   OwnerManagerTest()
       : message_loop_(MessageLoop::TYPE_UI),