Delete most of rendering/compositing.

sky/engine/core/dom/Document.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 109 matching lines @@
 #include "sky/engine/core/loader/FrameLoaderClient.h"
 #include "sky/engine/core/loader/ImageLoader.h"
 #include "sky/engine/core/page/Chrome.h"
 #include "sky/engine/core/page/ChromeClient.h"
 #include "sky/engine/core/page/EventHandler.h"
 #include "sky/engine/core/page/EventWithHitTestResults.h"
 #include "sky/engine/core/page/FocusController.h"
 #include "sky/engine/core/page/Page.h"
 #include "sky/engine/core/rendering/HitTestResult.h"
 #include "sky/engine/core/rendering/RenderView.h"
-#include "sky/engine/core/rendering/compositing/RenderLayerCompositor.h"
 #include "sky/engine/platform/DateComponents.h"
 #include "sky/engine/platform/EventDispatchForbiddenScope.h"
 #include "sky/engine/platform/Language.h"
 #include "sky/engine/platform/Logging.h"
 #include "sky/engine/platform/ScriptForbiddenScope.h"
 #include "sky/engine/platform/TraceEvent.h"
 #include "sky/engine/platform/network/HTTPParsers.h"
 #include "sky/engine/platform/scroll/Scrollbar.h"
 #include "sky/engine/platform/text/SegmentedString.h"
 #include "sky/engine/platform/weborigin/SchemeRegistry.h"
@@ skipping 1111 matching lines @@
     m_styleEngine->clearResolver();
 }
 
 void Document::attach(const AttachContext& context)
 {
     ASSERT(m_lifecycle.state() == DocumentLifecycle::Inactive);
 
     m_renderView = new RenderView(this);
     setRenderer(m_renderView);
 
-    m_renderView->setIsInWindow(true);
     m_renderView->setStyle(StyleResolver::styleForDocument(*this));
-    m_renderView->compositor()->setNeedsCompositingUpdate(CompositingUpdateAfterCompositingInputChange);
 
     ContainerNode::attach(context);
 
     m_lifecycle.advanceTo(DocumentLifecycle::StyleClean);
 }
 
 void Document::detach(const AttachContext& context)
 {
     ASSERT(isActive());
     m_lifecycle.advanceTo(DocumentLifecycle::Stopping);
 
     if (page())
         page()->documentDetached(this);
 
     stopActiveDOMObjects();
 
     // FIXME: consider using ActiveDOMObject.
     if (m_scriptedAnimationController)
         m_scriptedAnimationController->clearDocumentPointer();
     m_scriptedAnimationController.clear();
 
     // FIXME: This shouldn't be needed once LocalDOMWindow becomes ExecutionContext.
     if (m_domWindow)
         m_domWindow->clearEventQueue();
 
-    if (m_renderView)
-        m_renderView->setIsInWindow(false);
-
     m_hoverNode = nullptr;
     m_focusedElement = nullptr;
     m_activeHoverElement = nullptr;
 
     m_renderView = 0;
     ContainerNode::detach(context);
 
     m_styleEngine->didDetach();
 
     // This is required, as our LocalFrame might delete itself as soon as it detaches
@@ skipping 422 matching lines @@
 
     m_styleEngine->resolverChanged(updateMode);
 
     if (didLayoutWithPendingStylesheets()) {
         // We need to manually repaint because we avoid doing all repaints in layout or style
         // recalc while sheets are still loading to avoid FOUC.
         m_pendingSheetLayout = IgnoreLayoutWithPendingSheets;
 
         ASSERT(renderView() || importsController());
         if (renderView())
-            renderView()->invalidatePaintForViewAndCompositedLayers();
+            renderView()->setShouldDoFullPaintInvalidation(true);
     }
 }
 
 void Document::styleResolverMayHaveChanged()
 {
     styleResolverChanged(hasNodesWithPlaceholderStyle() ? FullStyleUpdate : AnalyzedStyleUpdate);
 }
 
 void Document::setHoverNode(PassRefPtr<Node> newHoverNode)
 {
@@ skipping 1058 matching lines @@
 using namespace blink;
 void showLiveDocumentInstances()
 {
     WeakDocumentSet& set = liveDocumentSet();
     fprintf(stderr, "There are %u documents currently alive:\n", set.size());
     for (WeakDocumentSet::const_iterator it = set.begin(); it != set.end(); ++it) {
         fprintf(stderr, "- Document %p URL: %s\n", *it, (*it)->url().string().utf8().data());
     }
 }
 #endif