Remove CSSCanvas values.

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 365 matching lines @@
         HTMLImportsController::removeFrom(*this);
 
     // removeDetachedChildren() doesn't always unregister IDs,
     // so tear down scope information upfront to avoid having stale references in the map.
     destroyTreeScopeData();
 
     removeDetachedChildren();
 
     m_markers->clear();
 
-    m_cssCanvasElements.clear();
-
     // FIXME: consider using ActiveDOMObject.
     if (m_scriptedAnimationController)
         m_scriptedAnimationController->clearDocumentPointer();
     m_scriptedAnimationController.clear();
 
     m_lifecycle.advanceTo(DocumentLifecycle::Disposed);
     lifecycleNotifier().notifyDocumentWasDisposed();
 }
 #endif
 
@@ skipping 1743 matching lines @@
     m_ranges.add(range);
 }
 
 void Document::detachRange(Range* range)
 {
     // We don't ASSERT m_ranges.contains(range) to allow us to call this
     // unconditionally to fix: https://bugs.webkit.org/show_bug.cgi?id=26044
     m_ranges.remove(range);
 }
 
-void Document::getCSSCanvasContext(const String& type, const String& name, int width, int height, RefPtr<CanvasRenderingContext2D>& context2d, RefPtr<WebGLRenderingContext>& context3d)
-{
-    HTMLCanvasElement& element = getCSSCanvasElement(name);
-    element.setSize(IntSize(width, height));
-    CanvasRenderingContext* context = element.getContext(type);
-    if (!context)
-        return;
-
-    if (context->is2d()) {
-        context2d = toCanvasRenderingContext2D(context);
-    } else if (context->is3d()) {
-        context3d = toWebGLRenderingContext(context);
-    }
-}
-
-HTMLCanvasElement& Document::getCSSCanvasElement(const String& name)
-{
-    RefPtr<HTMLCanvasElement>& element = m_cssCanvasElements.add(name, nullptr).storedValue->value;
-    if (!element) {
-        element = HTMLCanvasElement::create(*this);
-        element->setAccelerationDisabled(true);
-    }
-    return *element;
-}
-
 void Document::reportBlockedScriptExecutionToInspector(const String& directiveText)
 {
 }
 
 void Document::addMessage(PassRefPtr<ConsoleMessage> consoleMessage)
 {
     if (!m_frame)
         return;
 
     if (!consoleMessage->scriptState() && consoleMessage->url().isNull() && !consoleMessage->lineNumber()) {
@@ skipping 197 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