Return unique_ptr<WebDataConsumerHandle::Reader> directly from obtainReader

third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp

Index: third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp
diff --git a/third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp b/third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp
index a547d78976bec58a5d6a9cb8c06077c82309485e..83ed30bdb9ff5e88d498b5891ee5e391124a9384 100644
--- a/third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp
+++ b/third_party/WebKit/Source/modules/fetch/BodyStreamBufferTest.cpp
@@ -22,7 +22,9 @@ namespace blink {
 
 namespace {
 
+using ::testing::ByMove;
 using ::testing::InSequence;
+using ::testing::Return;
 using ::testing::_;
 using ::testing::SaveArg;
 using Checkpoint = ::testing::StrictMock<::testing::MockFunction<void(int)>>;
@@ -483,20 +485,18 @@ TEST_F(BodyStreamBufferTest, SourceHandleAndReaderShouldBeDestructedWhenCanceled
     using MockHandle = MockFetchDataConsumerHandleWithMockDestructor;
     using MockReader = DataConsumerHandleTestUtil::MockFetchDataConsumerReader;
     std::unique_ptr<MockHandle> handle = MockHandle::create();
-    std::unique_ptr<MockReader> reader = MockReader::create();
+    // |reader| will be adopted by |obtainFetchDataReader|.
+    MockReader* reader = MockReader::create().release();
 
     Checkpoint checkpoint;
     InSequence s;
 
-    EXPECT_CALL(*handle, obtainReaderInternal(_)).WillOnce(::testing::Return(reader.get()));
+    EXPECT_CALL(*handle, obtainFetchDataReader(_)).WillOnce(Return(ByMove(WTF::wrapUnique(reader))));
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*reader, destruct());
     EXPECT_CALL(*handle, destruct());
     EXPECT_CALL(checkpoint, Call(2));
 
-    // |reader| is adopted by |obtainReader|.
-    ASSERT_TRUE(reader.release());
-
     BodyStreamBuffer* buffer = new BodyStreamBuffer(scope.getScriptState(), std::move(handle));
     checkpoint.Call(1);
     ScriptValue reason(scope.getScriptState(), v8String(scope.getScriptState()->isolate(), "reason"));