Track performance of toBlob and its complete timeout delay

third_party/WebKit/Source/core/html/canvas/CanvasAsyncBlobCreatorTest.cpp

 // Copyright 2016 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 "core/html/canvas/CanvasAsyncBlobCreator.h"
 
 #include "core/html/ImageData.h"
 #include "platform/testing/UnitTestHelpers.h"
 #include "public/platform/Platform.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/Functional.h"
 
 namespace blink {
 
 typedef CanvasAsyncBlobCreator::IdleTaskStatus IdleTaskStatus;
 
 class MockCanvasAsyncBlobCreator : public CanvasAsyncBlobCreator {
 public:
     MockCanvasAsyncBlobCreator(DOMUint8ClampedArray* data, const IntSize& size, MimeType mimeType)
-        : CanvasAsyncBlobCreator(data, mimeType, size, nullptr)
+        : CanvasAsyncBlobCreator(data, mimeType, size, nullptr, 0)
     {
     }
 
     CanvasAsyncBlobCreator::IdleTaskStatus idleTaskStatus()
     {
         return m_idleTaskStatus;
     }
 
     MOCK_METHOD0(signalTaskSwitchInStartTimeoutEventForTesting, void());
     MOCK_METHOD0(signalTaskSwitchInCompleteTimeoutEventForTesting, void());
@@ skipping 257 matching lines @@
 {
     this->prepareMockCanvasAsyncBlobCreatorFailJpeg();
 
     this->asyncBlobCreator()->scheduleAsyncBlobCreation(true, 1.0);
     testing::enterRunLoop();
 
     EXPECT_EQ(IdleTaskStatus::IdleTaskFailed, this->asyncBlobCreator()->idleTaskStatus());
 }
 
 }