Rename PageLifecycleObserver to PageVisibilityObserver

third_party/WebKit/Source/core/html/HTMLCanvasElement.h

 /*
  * Copyright (C) 2004, 2006, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2010 Torch Mobile (Beijing) Co. Ltd. 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.
@@ skipping 20 matching lines @@
 #include "bindings/core/v8/ScriptValue.h"
 #include "core/CoreExport.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/DOMTypedArray.h"
 #include "core/dom/Document.h"
 #include "core/fileapi/BlobCallback.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/canvas/CanvasDrawListener.h"
 #include "core/html/canvas/CanvasImageSource.h"
 #include "core/imagebitmap/ImageBitmapSource.h"
-#include "core/page/PageLifecycleObserver.h"
+#include "core/page/PageVisibilityObserver.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/graphics/CanvasSurfaceLayerBridge.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "platform/graphics/GraphicsTypes3D.h"
 #include "platform/graphics/ImageBufferClient.h"
 #include "platform/heap/Handle.h"
 #include <memory>
 
 #define CanvasDefaultInterpolationQuality InterpolationLow
 
 namespace blink {
 
 class AffineTransform;
 class CanvasContextCreationAttributes;
 class CanvasRenderingContext;
 class CanvasRenderingContextFactory;
 class GraphicsContext;
 class HTMLCanvasElement;
 class Image;
 class ImageBitmapOptions;
 class ImageBuffer;
 class ImageBufferSurface;
 class ImageData;
 class IntSize;
 
 class CanvasRenderingContext2DOrWebGLRenderingContextOrWebGL2RenderingContextOrImageBitmapRenderingContext;
 typedef CanvasRenderingContext2DOrWebGLRenderingContextOrWebGL2RenderingContextOrImageBitmapRenderingContext RenderingContext;
 
-class CORE_EXPORT HTMLCanvasElement final : public HTMLElement, public ContextLifecycleObserver, public PageLifecycleObserver, public CanvasImageSource, public ImageBufferClient, public ImageBitmapSource {
+class CORE_EXPORT HTMLCanvasElement final : public HTMLElement, public ContextLifecycleObserver, public PageVisibilityObserver, public CanvasImageSource, public ImageBufferClient, public ImageBitmapSource {
     DEFINE_WRAPPERTYPEINFO();
     USING_GARBAGE_COLLECTED_MIXIN(HTMLCanvasElement);
     USING_PRE_FINALIZER(HTMLCanvasElement, dispose);
 public:
     using Node::getExecutionContext;
 
     DECLARE_NODE_FACTORY(HTMLCanvasElement);
     ~HTMLCanvasElement() override;
 
     // Attributes and functions exposed to script
@@ skipping 68 matching lines @@
     bool shouldAccelerate(const IntSize&) const;
 
     bool shouldBeDirectComposited() const;
 
     void prepareSurfaceForPaintingIfNeeded() const;
 
     const AtomicString imageSourceURL() const override;
 
     InsertionNotificationRequest insertedInto(ContainerNode*) override;
 
-    // ContextLifecycleObserver (and PageLifecycleObserver!!!) implementation
+    // ContextLifecycleObserver (and PageVisibilityObserver!!!) implementation
     void contextDestroyed() override;
 
-    // PageLifecycleObserver implementation
+    // PageVisibilityObserver implementation
     void pageVisibilityChanged() override;
 
     // CanvasImageSource implementation
     PassRefPtr<Image> getSourceImageForCanvas(SourceImageStatus*, AccelerationHint, SnapshotReason, const FloatSize&) const override;
     bool wouldTaintOrigin(SecurityOrigin*) const override;
     FloatSize elementSize(const FloatSize&) const override;
     bool isCanvasElement() const override { return true; }
     bool isOpaque() const override;
     int sourceWidth() override { return m_size.width(); }
     int sourceHeight() override { return m_size.height(); }
@@ skipping 86 matching lines @@
 
     mutable RefPtr<Image> m_copiedImage; // FIXME: This is temporary for platforms that have to copy the image buffer to render (and for CSSCanvasValue).
 
     // Used for OffscreenCanvas that controls this HTML canvas element
     std::unique_ptr<CanvasSurfaceLayerBridge> m_surfaceLayerBridge;
 };
 
 } // namespace blink
 
 #endif // HTMLCanvasElement_h