Use Persistent to retain pointers on unittests

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

 // Copyright 2015 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 "modules/fetch/ReadableStreamDataConsumerHandle.h"
 
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8BindingMacros.h"
 #include "bindings/core/v8/V8GCController.h"
 #include "core/dom/Document.h"
@@ skipping 85 matching lines @@
     OwnPtr<DummyPageHolder> m_page;
 };
 
 TEST_F(ReadableStreamDataConsumerHandleTest, Create)
 {
     ScriptState::Scope scope(getScriptState());
     ScriptValue stream(getScriptState(), evalWithPrintingError("new ReadableStream"));
     ASSERT_FALSE(stream.isEmpty());
     OwnPtr<ReadableStreamDataConsumerHandle> handle = createHandle(stream);
     ASSERT_TRUE(handle);
-    MockClient* client = MockClient::create();
+    Persistent<MockClient> client = MockClient::create();
     Checkpoint checkpoint;
 
     InSequence s;
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(2));
 
     OwnPtr<FetchDataConsumerHandle::Reader> reader = handle->obtainReader(client);
     ASSERT_TRUE(reader);
     checkpoint.Call(1);
     testing::runPendingTasks();
     checkpoint.Call(2);
 }
 
 TEST_F(ReadableStreamDataConsumerHandleTest, EmptyStream)
 {
     ScriptState::Scope scope(getScriptState());
     ScriptValue stream(getScriptState(), evalWithPrintingError(
         "new ReadableStream({start: c => c.close()})"));
     ASSERT_FALSE(stream.isEmpty());
     OwnPtr<ReadableStreamDataConsumerHandle> handle = createHandle(stream);
     ASSERT_TRUE(handle);
-    MockClient* client = MockClient::create();
+    Persistent<MockClient> client = MockClient::create();
     Checkpoint checkpoint;
 
     InSequence s;
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(2));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(3));
 
     char c;
@@ skipping 10 matching lines @@
 }
 
 TEST_F(ReadableStreamDataConsumerHandleTest, ErroredStream)
 {
     ScriptState::Scope scope(getScriptState());
     ScriptValue stream(getScriptState(), evalWithPrintingError(
         "new ReadableStream({start: c => c.error()})"));
     ASSERT_FALSE(stream.isEmpty());
     OwnPtr<ReadableStreamDataConsumerHandle> handle = createHandle(stream);
     ASSERT_TRUE(handle);
-    MockClient* client = MockClient::create();
+    Persistent<MockClient> client = MockClient::create();
     Checkpoint checkpoint;
 
     InSequence s;
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(2));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(3));
 
     char c;
@@ skipping 16 matching lines @@
         "var controller;"
         "var stream = new ReadableStream({start: c => controller = c});"
         "controller.enqueue(new Uint8Array());"
         "controller.enqueue(new Uint8Array([0x43, 0x44, 0x45, 0x46]));"
         "controller.enqueue(new Uint8Array([0x47, 0x48, 0x49, 0x4a]));"
         "controller.close();"
         "stream"));
     ASSERT_FALSE(stream.isEmpty());
     OwnPtr<ReadableStreamDataConsumerHandle> handle = createHandle(stream);
     ASSERT_TRUE(handle);
-    MockClient* client = MockClient::create();
+    Persistent<MockClient> client = MockClient::create();
     Checkpoint checkpoint;
 
     InSequence s;
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(2));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(3));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(4));
@@ skipping 47 matching lines @@
         "var controller;"
         "var stream = new ReadableStream({start: c => controller = c});"
         "controller.enqueue(new Uint8Array());"
         "controller.enqueue(new Uint8Array([0x43, 0x44, 0x45, 0x46]));"
         "controller.enqueue(new Uint8Array([0x47, 0x48, 0x49, 0x4a]));"
         "controller.close();"
         "stream"));
     ASSERT_FALSE(stream.isEmpty());
     OwnPtr<ReadableStreamDataConsumerHandle> handle = createHandle(stream);
     ASSERT_TRUE(handle);
-    MockClient* client = MockClient::create();
+    Persistent<MockClient> client = MockClient::create();
     Checkpoint checkpoint;
 
     InSequence s;
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(2));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(3));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(4));
@@ skipping 56 matching lines @@
     ScriptState::Scope scope(getScriptState());
     ScriptValue stream(getScriptState(), evalWithPrintingError(
         "var controller;"
         "var stream = new ReadableStream({start: c => controller = c});"
         "controller.enqueue(undefined);"
         "controller.close();"
         "stream"));
     ASSERT_FALSE(stream.isEmpty());
     OwnPtr<ReadableStreamDataConsumerHandle> handle = createHandle(stream);
     ASSERT_TRUE(handle);
-    MockClient* client = MockClient::create();
+    Persistent<MockClient> client = MockClient::create();
     Checkpoint checkpoint;
 
     InSequence s;
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(2));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(3));
 
     const void* buffer;
@@ skipping 14 matching lines @@
     ScriptState::Scope scope(getScriptState());
     ScriptValue stream(getScriptState(), evalWithPrintingError(
         "var controller;"
         "var stream = new ReadableStream({start: c => controller = c});"
         "controller.enqueue(null);"
         "controller.close();"
         "stream"));
     ASSERT_FALSE(stream.isEmpty());
     OwnPtr<ReadableStreamDataConsumerHandle> handle = createHandle(stream);
     ASSERT_TRUE(handle);
-    MockClient* client = MockClient::create();
+    Persistent<MockClient> client = MockClient::create();
     Checkpoint checkpoint;
 
     InSequence s;
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(2));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(3));
 
     const void* buffer;
@@ skipping 14 matching lines @@
     ScriptState::Scope scope(getScriptState());
     ScriptValue stream(getScriptState(), evalWithPrintingError(
         "var controller;"
         "var stream = new ReadableStream({start: c => controller = c});"
         "controller.enqueue('hello');"
         "controller.close();"
         "stream"));
     ASSERT_FALSE(stream.isEmpty());
     OwnPtr<ReadableStreamDataConsumerHandle> handle = createHandle(stream);
     ASSERT_TRUE(handle);
-    MockClient* client = MockClient::create();
+    Persistent<MockClient> client = MockClient::create();
     Checkpoint checkpoint;
 
     InSequence s;
     EXPECT_CALL(checkpoint, Call(1));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(2));
     EXPECT_CALL(*client, didGetReadable());
     EXPECT_CALL(checkpoint, Call(3));
 
     const void* buffer;
@@ skipping 93 matching lines @@
     testing::runPendingTasks();
 
     checkpoint.Call(5);
     EXPECT_EQ(kUnexpectedError, reader->beginRead(&buffer, kNone, &available));
 }
 
 } // namespace
 
 } // namespace blink