Convert Pass()→std::move() in //components (CrOS edition)

components/drive/file_system_unittest.cc

Index: components/drive/file_system_unittest.cc
diff --git a/components/drive/file_system_unittest.cc b/components/drive/file_system_unittest.cc
index b43cf82cf2c7717530dce4a06ce7babd7f7c5b9f..354c3e4d10f2a1a202f2c84aa8d4ec1174ec157f 100644
--- a/components/drive/file_system_unittest.cc
+++ b/components/drive/file_system_unittest.cc
@@ -178,7 +178,7 @@ class FileSystemTest : public testing::Test {
         google_apis::test_util::CreateCopyResultCallback(&error, &entry));
     content::RunAllBlockingPoolTasksUntilIdle();
 
-    return entry.Pass();
+    return entry;
   }
 
   // Gets directory info by path synchronously.
@@ -193,7 +193,7 @@ class FileSystemTest : public testing::Test {
     content::RunAllBlockingPoolTasksUntilIdle();
     if (error != FILE_ERROR_OK)
       entries.reset();
-    return entries.Pass();
+    return entries;
   }
 
   // Used to implement ReadDirectorySync().