Switch ChromeTestSuite to the same convention as ContentTestSuite:

chrome/browser/sync/profile_sync_factory_impl_unittest.cc

Index: chrome/browser/sync/profile_sync_factory_impl_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_factory_impl_unittest.cc b/chrome/browser/sync/profile_sync_factory_impl_unittest.cc
index 8ae961136b810a46a1426bb9dc59207d5142147e..c7e43454cebc62d3a57e6458eb2a5b4b9bca989b 100644
--- a/chrome/browser/sync/profile_sync_factory_impl_unittest.cc
+++ b/chrome/browser/sync/profile_sync_factory_impl_unittest.cc
@@ -12,14 +12,13 @@
 #include "chrome/browser/sync/profile_sync_factory_impl.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/common/chrome_switches.h"
-#include "chrome/test/base/testing_browser_process_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/browser/browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using browser_sync::DataTypeController;
 
-class ProfileSyncFactoryImplTest : public TestingBrowserProcessTest {
+class ProfileSyncFactoryImplTest : public testing::Test {
  protected:
   ProfileSyncFactoryImplTest()
       : ui_thread_(BrowserThread::UI, &message_loop_) {}