Add some plumbing for the color management of canvases

third_party/WebKit/Source/platform/graphics/Canvas2DLayerBridge.h

 /*
  * 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 67 matching lines @@
 
 class PLATFORM_EXPORT Canvas2DLayerBridge : public WebExternalTextureLayerClient, public WebThread::TaskObserver, public RefCounted<Canvas2DLayerBridge> {
     WTF_MAKE_NONCOPYABLE(Canvas2DLayerBridge);
 public:
     enum AccelerationMode {
         DisableAcceleration,
         EnableAcceleration,
         ForceAccelerationForTesting,
     };
 
-    static PassRefPtr<Canvas2DLayerBridge> create(const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode);
+    static PassRefPtr<Canvas2DLayerBridge> create(const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode, sk_sp<SkColorSpace>);
 
     ~Canvas2DLayerBridge() override;
 
     // WebExternalTextureLayerClient implementation.
     bool prepareMailbox(WebExternalTextureMailbox*, WebExternalBitmap*) override;
     void mailboxReleased(const WebExternalTextureMailbox&, bool lostResource) override;
 
     // ImageBufferSurface implementation
     void finalizeFrame(const FloatRect &dirtyRect);
     void willWritePixels();
@@ skipping 12 matching lines @@
     bool writePixels(const SkImageInfo&, const void* pixels, size_t rowBytes, int x, int y);
     void flush();
     void flushGpu();
     void prepareSurfaceForPaintingIfNeeded();
     bool isHidden() { return m_isHidden; }
     OpacityMode opacityMode() { return m_opacityMode; }
 
     void beginDestruction();
     void hibernate();
     bool isHibernating() const { return m_hibernationImage.get(); }
+    sk_sp<SkColorSpace> colorSpace() const { return m_colorSpace; }
 
     PassRefPtr<SkImage> newImageSnapshot(AccelerationHint, SnapshotReason);
 
     // The values of the enum entries must not change because they are used for
     // usage metrics histograms. New values can be added to the end.
     enum HibernationEvent {
         HibernationScheduled = 0,
         HibernationAbortedDueToDestructionWhileHibernatePending = 1,
         HibernationAbortedDueToPendingDestruction = 2,
         HibernationAbortedDueToVisibilityChange = 3,
@@ skipping 45 matching lines @@
 #if USE_IOSURFACE_FOR_2D_CANVAS
         // If this mailbox wraps an IOSurface-backed texture, the ids of the
         // CHROMIUM image and the texture.
         ImageInfo m_imageInfo;
 #endif // USE_IOSURFACE_FOR_2D_CANVAS
 
         MailboxInfo(const MailboxInfo&);
         MailboxInfo() {}
     };
 
-    Canvas2DLayerBridge(std::unique_ptr<WebGraphicsContext3DProvider>, const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode);
+    Canvas2DLayerBridge(std::unique_ptr<WebGraphicsContext3DProvider>, const IntSize&, int msaaSampleCount, OpacityMode, AccelerationMode, sk_sp<SkColorSpace>);
     gpu::gles2::GLES2Interface* contextGL();
     void startRecording();
     void skipQueuedDrawCommands();
     void flushRecordingOnly();
     void unregisterTaskObserver();
     void reportSurfaceCreationFailure();
 
     // WebThread::TaskOberver implementation
     void willProcessTask() override;
     void didProcessTask() override;
@@ skipping 67 matching lines @@
         // We should normally not have more that two active mailboxes at a time,
         // but sometime we may have three due to the async nature of mailbox handling.
         MaxActiveMailboxes = 3,
     };
 
     Deque<MailboxInfo, MaxActiveMailboxes> m_mailboxes;
     GLenum m_lastFilter;
     AccelerationMode m_accelerationMode;
     OpacityMode m_opacityMode;
     const IntSize m_size;
+    sk_sp<SkColorSpace> m_colorSpace;
     int m_recordingPixelCount;
 
 #if USE_IOSURFACE_FOR_2D_CANVAS
     // Each element in this vector represents an IOSurface backed texture that
     // is ready to be reused.
     // Elements in this vector can safely be purged in low memory conditions.
     Vector<ImageInfo> m_imageInfoCache;
 #endif // USE_IOSURFACE_FOR_2D_CANVAS
 };
 
 } // namespace blink
 
 #endif