Remove DeferredImageDecoder::setEnabled and ImageDecoder::deferredImageDecodingEnabled

third_party/WebKit/Source/platform/graphics/DeferredImageDecoder.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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 37 matching lines @@
         , m_uniqueID(DecodingImageGenerator::kNeedNewImageUniqueID)
     {}
 
     ImageOrientation m_orientation;
     float m_duration;
     bool m_isComplete;
     size_t m_frameBytes;
     uint32_t m_uniqueID;
 };
 
-bool DeferredImageDecoder::s_enabled = true;
-
 PassOwnPtr<DeferredImageDecoder> DeferredImageDecoder::create(const SharedBuffer& data, ImageDecoder::AlphaOption alphaOption, ImageDecoder::GammaAndColorProfileOption colorOptions)
 {
     OwnPtr<ImageDecoder> actualDecoder = ImageDecoder::create(data, alphaOption, colorOptions);
 
     if (!actualDecoder)
         return nullptr;
 
     return adoptPtr(new DeferredImageDecoder(std::move(actualDecoder)));
 }
 
 PassOwnPtr<DeferredImageDecoder> DeferredImageDecoder::createForTesting(PassOwnPtr<ImageDecoder> actualDecoder)
 {
     return adoptPtr(new DeferredImageDecoder(std::move(actualDecoder)));
 }
 
 DeferredImageDecoder::DeferredImageDecoder(PassOwnPtr<ImageDecoder> actualDecoder)
     : m_allDataReceived(false)
     , m_actualDecoder(std::move(actualDecoder))
     , m_repetitionCount(cAnimationNone)
     , m_hasColorProfile(false)
     , m_canYUVDecode(false)
 {
 }
 
 DeferredImageDecoder::~DeferredImageDecoder()
 {
 }
 
-void DeferredImageDecoder::setEnabled(bool enabled)
-{
-    s_enabled = enabled;
-}
-
-bool DeferredImageDecoder::enabled()
-{
-    return s_enabled;
-}
-
 String DeferredImageDecoder::filenameExtension() const
 {
     return m_actualDecoder ? m_actualDecoder->filenameExtension() : m_filenameExtension;
 }
 
 PassRefPtr<SkImage> DeferredImageDecoder::createFrameAtIndex(size_t index)
 {
     if (m_frameGenerator && m_frameGenerator->decodeFailed())
         return nullptr;
 
@@ skipping 144 matching lines @@
     m_canYUVDecode = RuntimeEnabledFeatures::decodeToYUVEnabled() && (m_filenameExtension == "jpg");
     m_hasColorProfile = m_actualDecoder->hasColorProfile();
 
     const bool isSingleFrame = m_actualDecoder->repetitionCount() == cAnimationNone || (m_allDataReceived && m_actualDecoder->frameCount() == 1u);
     const SkISize decodedSize = SkISize::Make(m_actualDecoder->decodedSize().width(), m_actualDecoder->decodedSize().height());
     m_frameGenerator = ImageFrameGenerator::create(decodedSize, !isSingleFrame);
 }
 
 void DeferredImageDecoder::prepareLazyDecodedFrames()
 {
-    if (!s_enabled
-        || !m_actualDecoder
+    if (!m_actualDecoder
         || !m_actualDecoder->isSizeAvailable()
         || m_actualDecoder->filenameExtension() == "ico")
         return;
 
     activateLazyDecoding();
 
     const size_t previousSize = m_frameData.size();
     m_frameData.resize(m_actualDecoder->frameCount());
 
     // We have encountered a broken image file. Simply bail.
@@ skipping 58 matching lines @@
 }
 
 } // namespace blink
 
 namespace WTF {
 template<> struct VectorTraits<blink::DeferredFrameData> : public SimpleClassVectorTraits<blink::DeferredFrameData> {
     STATIC_ONLY(VectorTraits);
     static const bool canInitializeWithMemset = false; // Not all DeferredFrameData members initialize to 0.
 };
 }