Simplify RenderLayer's handling of filters.

sky/engine/core/rendering/RenderLayerFilterInfo.cpp

Index: sky/engine/core/rendering/RenderLayerFilterInfo.cpp
diff --git a/sky/engine/core/rendering/RenderLayerFilterInfo.cpp b/sky/engine/core/rendering/RenderLayerFilterInfo.cpp
deleted file mode 100644
index 08d7a7a2e3c4d12cfda6947b6abb2737ac8c7b1c..0000000000000000000000000000000000000000
--- a/sky/engine/core/rendering/RenderLayerFilterInfo.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2012 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER "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 THE COPYRIGHT HOLDER 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.
- */
-
-#include "sky/engine/config.h"
-
-#include "sky/engine/core/rendering/RenderLayerFilterInfo.h"
-
-#include "sky/engine/core/rendering/FilterEffectRenderer.h"
-#include "sky/engine/core/rendering/RenderLayer.h"
-
-namespace blink {
-
-RenderLayerFilterInfoMap* RenderLayerFilterInfo::s_filterMap = 0;
-
-RenderLayerFilterInfo* RenderLayerFilterInfo::filterInfoForRenderLayer(const RenderLayer* layer)
-{
-    if (!s_filterMap)
-        return 0;
-    RenderLayerFilterInfoMap::iterator iter = s_filterMap->find(layer);
-    return (iter != s_filterMap->end()) ? iter->value : 0;
-}
-
-RenderLayerFilterInfo* RenderLayerFilterInfo::createFilterInfoForRenderLayerIfNeeded(RenderLayer* layer)
-{
-    if (!s_filterMap)
-        s_filterMap = new RenderLayerFilterInfoMap();
-
-    RenderLayerFilterInfoMap::iterator iter = s_filterMap->find(layer);
-    if (iter != s_filterMap->end()) {
-        ASSERT(layer->hasFilterInfo());
-        return iter->value;
-    }
-
-    RenderLayerFilterInfo* filter = new RenderLayerFilterInfo(layer);
-    s_filterMap->set(layer, filter);
-    layer->setHasFilterInfo(true);
-    return filter;
-}
-
-void RenderLayerFilterInfo::removeFilterInfoForRenderLayer(RenderLayer* layer)
-{
-    if (!s_filterMap)
-        return;
-    RenderLayerFilterInfo* filter = s_filterMap->take(layer);
-    if (s_filterMap->isEmpty()) {
-        delete s_filterMap;
-        s_filterMap = 0;
-    }
-    if (!filter) {
-        ASSERT(!layer->hasFilterInfo());
-        return;
-    }
-    layer->setHasFilterInfo(false);
-    delete filter;
-}
-
-RenderLayerFilterInfo::RenderLayerFilterInfo(RenderLayer* layer)
-{
-}
-
-RenderLayerFilterInfo::~RenderLayerFilterInfo()
-{
-}
-
-void RenderLayerFilterInfo::setRenderer(PassRefPtr<FilterEffectRenderer> renderer)
-{
-    m_renderer = renderer;
-}
-
-void RenderLayerFilterInfo::updateReferenceFilterClients(const FilterOperations& operations)
-{
-}
-
-void RenderLayerFilterInfo::removeReferenceFilterClients()
-{
-}
-
-} // namespace blink
-