Consolidate manifest handler registration.

chrome/common/extensions/unpacker_unittest.cc

Index: chrome/common/extensions/unpacker_unittest.cc
diff --git a/chrome/common/extensions/unpacker_unittest.cc b/chrome/common/extensions/unpacker_unittest.cc
index b13ec660867287a8ca7289a2905bffeba0201f1c..39a02bedffdde2e354e1552bfab2fe56c2421f5a 100644
--- a/chrome/common/extensions/unpacker_unittest.cc
+++ b/chrome/common/extensions/unpacker_unittest.cc
@@ -9,12 +9,9 @@
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/common/chrome_paths.h"
-#include "chrome/common/extensions/api/i18n/default_locale_handler.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_manifest_constants.h"
-#include "chrome/common/extensions/manifest_handler.h"
-#include "chrome/common/extensions/manifest_handlers/theme_handler.h"
 #include "chrome/common/extensions/unpacker.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ -33,16 +30,6 @@ public:
     LOG(WARNING) << temp_dir_.Delete();
   }
 
-  virtual void SetUp() OVERRIDE {
-    testing::Test::SetUp();
-    (new DefaultLocaleHandler)->Register();
-    (new ThemeHandler)->Register();
-  }
-
-  virtual void TearDown() OVERRIDE {
-    ManifestHandler::ClearRegistryForTesting();
-  }
-
   void SetupUnpacker(const std::string& crx_name) {
     base::FilePath original_path;
     ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &original_path));