Switch ChromeTestSuite to the same convention as ContentTestSuite:

chrome/browser/sync/glue/theme_data_type_controller_unittest.cc

Index: chrome/browser/sync/glue/theme_data_type_controller_unittest.cc
diff --git a/chrome/browser/sync/glue/theme_data_type_controller_unittest.cc b/chrome/browser/sync/glue/theme_data_type_controller_unittest.cc
index 608c80b5660ab65623ed3bf5772506737e0dec89..ac7763ae965be9ed130193767c1b59088d321979 100644
--- a/chrome/browser/sync/glue/theme_data_type_controller_unittest.cc
+++ b/chrome/browser/sync/glue/theme_data_type_controller_unittest.cc
@@ -14,7 +14,6 @@
 #include "chrome/browser/sync/profile_sync_factory_mock.h"
 #include "chrome/browser/sync/profile_sync_service_mock.h"
 #include "chrome/test/base/profile_mock.h"
-#include "chrome/test/base/testing_browser_process_test.h"
 #include "content/browser/browser_thread.h"
 
 using browser_sync::ThemeDataTypeController;
@@ -33,7 +32,7 @@ class StartCallback {
     const tracked_objects::Location& location));
 };
 
-class ThemeDataTypeControllerTest : public TestingBrowserProcessTest {
+class ThemeDataTypeControllerTest : public testing::Test {
  public:
   ThemeDataTypeControllerTest()
       : ui_thread_(BrowserThread::UI, &message_loop_) {}