Moving GraphicsContext and dependencies from core to platform.

Source/core/platform/graphics/LazyDecodingPixelRef.cpp

Index: Source/core/platform/graphics/LazyDecodingPixelRef.cpp
diff --git a/Source/core/platform/graphics/LazyDecodingPixelRef.cpp b/Source/core/platform/graphics/LazyDecodingPixelRef.cpp
deleted file mode 100644
index 4bc3c713d1d31aea9d1a4a5c2959b622b8d4d2db..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/LazyDecodingPixelRef.cpp
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * 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
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "core/platform/graphics/LazyDecodingPixelRef.h"
-
-#include "SkData.h"
-#include "core/platform/graphics/ImageDecodingStore.h"
-#include "core/platform/graphics/ImageFrameGenerator.h"
-#include "platform/TraceEvent.h"
-
-namespace WebCore {
-
-LazyDecodingPixelRef::LazyDecodingPixelRef(PassRefPtr<ImageFrameGenerator> frameGenerator, size_t index)
-    : m_frameGenerator(frameGenerator)
-    , m_frameIndex(index)
-    , m_lockedImageResource(0)
-    , m_objectTracker(this)
-{
-}
-
-LazyDecodingPixelRef::~LazyDecodingPixelRef()
-{
-}
-
-SkData* LazyDecodingPixelRef::onRefEncodedData()
-{
-    // If the image has been clipped or scaled, do not return the original encoded data, since
-    // on playback it will not be known how the clipping/scaling was done.
-    RefPtr<SharedBuffer> buffer = 0;
-    bool allDataReceived = false;
-    m_frameGenerator->copyData(&buffer, &allDataReceived);
-    if (buffer && allDataReceived) {
-        SkData* skdata = SkData::NewWithCopy((void*)buffer->data(), buffer->size());
-        return skdata;
-    }
-    return 0;
-}
-
-void* LazyDecodingPixelRef::onLockPixels(SkColorTable**)
-{
-    TRACE_EVENT_ASYNC_BEGIN0("webkit", "LazyDecodingPixelRef::lockPixels", this);
-
-    ASSERT(!m_lockedImageResource);
-
-    SkISize size = m_frameGenerator->getFullSize();
-    if (!ImageDecodingStore::instance()->lockCache(m_frameGenerator.get(), size, m_frameIndex, &m_lockedImageResource))
-        m_lockedImageResource = 0;
-
-    // Use ImageFrameGenerator to generate the image. It will lock the cache
-    // entry for us.
-    if (!m_lockedImageResource) {
-        PlatformInstrumentation::willDecodeLazyPixelRef(reinterpret_cast<unsigned long long>(this));
-        m_lockedImageResource = m_frameGenerator->decodeAndScale(size, m_frameIndex);
-        PlatformInstrumentation::didDecodeLazyPixelRef(reinterpret_cast<unsigned long long>(this));
-    }
-    if (!m_lockedImageResource)
-        return 0;
-
-    ASSERT(!m_lockedImageResource->bitmap().isNull());
-    ASSERT(m_lockedImageResource->scaledSize() == size);
-    return m_lockedImageResource->bitmap().getAddr(0, 0);
-}
-
-void LazyDecodingPixelRef::onUnlockPixels()
-{
-    if (m_lockedImageResource) {
-        ImageDecodingStore::instance()->unlockCache(m_frameGenerator.get(), m_lockedImageResource);
-        m_lockedImageResource = 0;
-    }
-
-    TRACE_EVENT_ASYNC_END0("webkit", "LazyDecodingPixelRef::lockPixels", this);
-}
-
-bool LazyDecodingPixelRef::onLockPixelsAreWritable() const
-{
-    return false;
-}
-
-bool LazyDecodingPixelRef::MaybeDecoded()
-{
-    return ImageDecodingStore::instance()->isCached(m_frameGenerator.get(), m_frameGenerator->getFullSize(), m_frameIndex);
-}
-
-bool LazyDecodingPixelRef::PrepareToDecode(const LazyPixelRef::PrepareParams& params)
-{
-    ASSERT(false);
-    return false;
-}
-
-void LazyDecodingPixelRef::Decode()
-{
-    lockPixels();
-    unlockPixels();
-}
-
-
-} // namespace blink