Remove DeferredImageDecoder::setEnabled and ImageDecoder::deferredImageDecodingEnabled

third_party/WebKit/Source/platform/graphics/DeferredImageDecoderTest.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 79 matching lines @@
     SkPicture* picture;
 };
 
 } // namespace
 
 class DeferredImageDecoderTest : public ::testing::Test, public MockImageDecoderClient {
 public:
     void SetUp() override
     {
         ImageDecodingStore::instance().setCacheLimitInBytes(1024 * 1024);
-        DeferredImageDecoder::setEnabled(true);
         m_data = SharedBuffer::create(whitePNG, sizeof(whitePNG));
         m_frameCount = 1;
         OwnPtr<MockImageDecoder> decoder = MockImageDecoder::create(this);
         m_actualDecoder = decoder.get();
         m_actualDecoder->setSize(1, 1);
         m_lazyDecoder = DeferredImageDecoder::createForTesting(std::move(decoder));
         m_surface = SkSurface::MakeRasterN32Premul(100, 100);
         ASSERT_TRUE(m_surface.get());
         m_decodeRequestCount = 0;
         m_repetitionCount = cAnimationNone;
@@ skipping 291 matching lines @@
     m_lazyDecoder->createFrameAtIndex(0);
     m_lazyDecoder->createFrameAtIndex(1);
     m_lazyDecoder->setData(*m_data, true);
     // Clears only the first frame (0 bytes). If DeferredImageDecoder doesn't
     // check with the actual decoder it reports 4 bytes instead.
     size_t frameBytesCleared = m_lazyDecoder->clearCacheExceptFrame(1);
     EXPECT_EQ(static_cast<size_t>(0), frameBytesCleared);
 }
 
 } // namespace blink