Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/updater/local_extension_cache_unittest.cc

Index: chrome/browser/extensions/updater/local_extension_cache_unittest.cc
diff --git a/chrome/browser/extensions/updater/local_extension_cache_unittest.cc b/chrome/browser/extensions/updater/local_extension_cache_unittest.cc
index 2ef775922018a517cf57b0030cd013e810bc065c..efcf267cb2530c2f9f15e6204d501c552b7047bc 100644
--- a/chrome/browser/extensions/updater/local_extension_cache_unittest.cc
+++ b/chrome/browser/extensions/updater/local_extension_cache_unittest.cc
@@ -139,7 +139,7 @@ class LocalExtensionCacheTest : public testing::Test {
  private:
   content::TestBrowserThreadBundle thread_bundle_;
 
-  scoped_ptr<base::SequencedWorkerPoolOwner> pool_owner_;
+  std::unique_ptr<base::SequencedWorkerPoolOwner> pool_owner_;
   scoped_refptr<base::SequencedTaskRunner> background_task_runner_;
 
   base::ScopedTempDir cache_dir_;
@@ -339,7 +339,7 @@ TEST_F(LocalExtensionCacheTest, Complex) {
   EXPECT_TRUE(cache.GetExtension(kTestExtensionId1, hash22, NULL, NULL));
 }
 
-static void OnPutExtension(scoped_ptr<base::RunLoop>* run_loop,
+static void OnPutExtension(std::unique_ptr<base::RunLoop>* run_loop,
                            const base::FilePath& file_path,
                            bool file_ownership_passed) {
   ASSERT_TRUE(*run_loop);
@@ -351,7 +351,7 @@ static void PutExtensionAndWait(LocalExtensionCache& cache,
                                 const std::string& expected_hash,
                                 const base::FilePath& path,
                                 const std::string& version) {
-  scoped_ptr<base::RunLoop> run_loop;
+  std::unique_ptr<base::RunLoop> run_loop;
   run_loop.reset(new base::RunLoop);
   cache.PutExtension(id, expected_hash, path, version,
                      base::Bind(&OnPutExtension, &run_loop));