Remove TiledBacking / TileCache code

Source/WebCore/platform/graphics/TiledBacking.h

Index: Source/WebCore/platform/graphics/TiledBacking.h
diff --git a/Source/WebCore/platform/graphics/TiledBacking.h b/Source/WebCore/platform/graphics/TiledBacking.h
deleted file mode 100644
index 2e66f608651090b4b51f23be812b81fc1b8775ff..0000000000000000000000000000000000000000
--- a/Source/WebCore/platform/graphics/TiledBacking.h
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (C) 2012 Apple 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 INC. 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 INC. 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.
- */
-
-#ifndef TiledBacking_h
-#define TiledBacking_h
-
-#if PLATFORM(MAC)
-OBJC_CLASS CALayer;
-#endif
-
-namespace WebCore {
-
-class IntRect;
-
-enum ScrollingModeIndication {
-    MainThreadScrollingBecauseOfStyleIndication,
-    MainThreadScrollingBecauseOfEventHandlersIndication,
-    ThreadedScrollingIndication
-};
-
-class TiledBacking {
-public:
-    virtual ~TiledBacking() { }
-
-    virtual void setVisibleRect(const FloatRect&) = 0;
-    virtual FloatRect visibleRect() const = 0;
-    virtual bool tilesWouldChangeForVisibleRect(const FloatRect&) const = 0;
-
-    virtual void setExposedRect(const FloatRect&) = 0;
-    virtual void setClipsToExposedRect(bool) = 0;
-    virtual bool clipsToExposedRect() = 0;
-
-    virtual void prepopulateRect(const FloatRect&) = 0;
-
-    virtual void setIsInWindow(bool) = 0;
-
-    enum {
-        CoverageForVisibleArea = 0,
-        CoverageForVerticalScrolling = 1 << 0,
-        CoverageForHorizontalScrolling = 1 << 1,
-        CoverageForSlowScrolling = 1 << 2, // Indicates that we expect to paint a lot on scrolling.
-        CoverageForScrolling = CoverageForVerticalScrolling | CoverageForHorizontalScrolling
-    };
-    typedef unsigned TileCoverage;
-
-    virtual void setTileCoverage(TileCoverage) = 0;
-    virtual TileCoverage tileCoverage() const = 0;
-
-    virtual IntSize tileSize() const = 0;
-
-    virtual void forceRepaint() = 0;
-
-    virtual void setScrollingPerformanceLoggingEnabled(bool) = 0;
-    virtual bool scrollingPerformanceLoggingEnabled() const = 0;
-    
-    virtual void setAggressivelyRetainsTiles(bool) = 0;
-    virtual bool aggressivelyRetainsTiles() const = 0;
-    
-    virtual void setUnparentsOffscreenTiles(bool) = 0;
-    virtual bool unparentsOffscreenTiles() const = 0;
-    
-    virtual double retainedTileBackingStoreMemory() const = 0;
-
-    // Exposed for testing
-    virtual IntRect tileCoverageRect() const = 0;
-    virtual IntRect tileGridExtent() const = 0;
-    virtual void setScrollingModeIndication(ScrollingModeIndication) = 0;
-
-#if PLATFORM(MAC)
-    virtual CALayer *tiledScrollingIndicatorLayer() = 0;
-#endif
-};
-
-} // namespace WebCore
-
-#endif // TiledBacking_h