Rewrite scoped_ptr<T>(NULL) to use the default ctor in ui/.

ui/base/resource/resource_bundle_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/base/resource/resource_bundle.h"
 
 #include "base/base_paths.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 316 matching lines @@
 TEST_F(ResourceBundleTest, LocaleDataPakExists) {
   ResourceBundle* resource_bundle = CreateResourceBundle(NULL);
 
   // Check that ResourceBundle::LocaleDataPakExists returns the correct results.
   EXPECT_TRUE(resource_bundle->LocaleDataPakExists("en-US"));
   EXPECT_FALSE(resource_bundle->LocaleDataPakExists("not_a_real_locale"));
 }
 
 class ResourceBundleImageTest : public ResourceBundleTest {
  public:
-  ResourceBundleImageTest() : locale_pack_(NULL) {
-  }
+  ResourceBundleImageTest() {}
 
   virtual ~ResourceBundleImageTest() {
   }
 
   virtual void SetUp() OVERRIDE {
     // Create a temporary directory to write test resource bundles to.
     ASSERT_TRUE(dir_.CreateUniqueTempDir());
   }
 
   // Returns resource bundle which uses an empty data pak for locale data.
@@ skipping 192 matching lines @@
   ResourceBundle* resource_bundle = CreateResourceBundleWithEmptyLocalePak();
   resource_bundle->AddDataPackFromPath(data_default_path, SCALE_FACTOR_NONE);
 
   gfx::ImageSkia* image_skia = resource_bundle->GetImageSkiaNamed(3);
   EXPECT_EQ(1u, image_skia->image_reps().size());
   EXPECT_EQ(ui::SCALE_FACTOR_100P,
             image_skia->image_reps()[0].scale_factor());
 }
 
 }  // namespace ui