Delete most of rendering/compositing.

sky/engine/core/rendering/RenderObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 21 matching lines @@
 #include "sky/engine/core/editing/TextAffinity.h"
 #include "sky/engine/core/fetch/ImageResourceClient.h"
 #include "sky/engine/core/html/HTMLElement.h"
 #include "sky/engine/core/rendering/HitTestRequest.h"
 #include "sky/engine/core/rendering/PaintInvalidationState.h"
 #include "sky/engine/core/rendering/PaintPhase.h"
 #include "sky/engine/core/rendering/RenderObjectChildList.h"
 #include "sky/engine/core/rendering/ScrollAlignment.h"
 #include "sky/engine/core/rendering/SubtreeLayoutScope.h"
 #include "sky/engine/core/rendering/compositing/CompositingState.h"
-#include "sky/engine/core/rendering/compositing/CompositingTriggers.h"
 #include "sky/engine/core/rendering/style/RenderStyle.h"
 #include "sky/engine/core/rendering/style/StyleInheritedData.h"
 #include "sky/engine/platform/geometry/FloatQuad.h"
 #include "sky/engine/platform/geometry/LayoutRect.h"
 #include "sky/engine/platform/graphics/CompositingReasons.h"
 #include "sky/engine/platform/transforms/TransformationMatrix.h"
 
 namespace blink {
 
 class AffineTransform;
@@ skipping 1117 matching lines @@
 
 inline bool RenderObject::boxDecorationBackgroundIsKnownToBeObscured()
 {
     if (m_bitfields.boxDecorationBackgroundState() == HasBoxDecorationBackgroundObscurationStatusInvalid) {
         BoxDecorationBackgroundState state = computeBackgroundIsKnownToBeObscured() ? HasBoxDecorationBackgroundKnownToBeObscured : HasBoxDecorationBackgroundMayBeVisible;
         m_bitfields.setBoxDecorationBackgroundState(state);
     }
     return m_bitfields.boxDecorationBackgroundState() == HasBoxDecorationBackgroundKnownToBeObscured;
 }
 
-inline void makeMatrixRenderable(TransformationMatrix& matrix, bool has3DRendering)
+inline void makeMatrixRenderable(TransformationMatrix& matrix)
 {
-    if (!has3DRendering)
-        matrix.makeAffine();
+    // FIXME(sky): The old accelerated compositing code didn't do this.

[ojan, 2014/11/26 19:38:51]

Ditto here. I'm doing the non-3D path since that's what the code was already
doing, but we probably need to do some work for making 3D work again.

[abarth-chromium, 2014/11/26 19:48:36]

That's right.  We'll need 4x4 matrix support in Skia.

+    // Do we need this?
+    matrix.makeAffine();
 }
 
 #define DEFINE_RENDER_OBJECT_TYPE_CASTS(thisType, predicate) \
     DEFINE_TYPE_CASTS(thisType, RenderObject, object, object->predicate, object.predicate)
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::RenderObject*);
 void showLineTree(const blink::RenderObject*);
 void showRenderTree(const blink::RenderObject* object1);
 // We don't make object2 an optional parameter so that showRenderTree
 // can be called from gdb easily.
 void showRenderTree(const blink::RenderObject* object1, const blink::RenderObject* object2);
 
 #endif
 
 #endif  // SKY_ENGINE_CORE_RENDERING_RENDEROBJECT_H_