Fix implicit access to raw pointer of scoped_refptr.

components/suggestions/image_manager_unittest.cc

 // Copyright 2014 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 "components/suggestions/image_manager.h"
 
 #include <memory>
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 186 matching lines @@
   // Create the ImageManager with an added entry in the database.
   AddEntry(GetSampleImageData(kTestUrl1), &db_model_);
   FakeDB<ImageData>* fake_db = new FakeDB<ImageData>(&db_model_);
   image_manager_.reset(CreateImageManager(fake_db));
   image_manager_->Initialize(suggestions_profile);
   fake_db->InitCallback(true);
   fake_db->LoadCallback(true);
   // Expect something in the cache.
   auto encoded_image =
       image_manager_->GetEncodedImageFromCache(GURL(kTestUrl1));
-  EXPECT_NE(nullptr, encoded_image);
+  EXPECT_TRUE(encoded_image);
 
   base::RunLoop run_loop;
   image_manager_->GetImageForURL(GURL(kTestUrl1),
                                  base::Bind(&ImageManagerTest::OnImageAvailable,
                                             base::Unretained(this), &run_loop));
   run_loop.Run();
 
   EXPECT_EQ(0, num_callback_null_called_);
   EXPECT_EQ(1, num_callback_valid_called_);
 }
 
 }  // namespace suggestions