Remove PageOverlays.

sky/engine/web/PageOverlay.cpp

Index: sky/engine/web/PageOverlay.cpp
diff --git a/sky/engine/web/PageOverlay.cpp b/sky/engine/web/PageOverlay.cpp
deleted file mode 100644
index ee26148ce59453f9c7ebec3e4ce7dfb9571636ec..0000000000000000000000000000000000000000
--- a/sky/engine/web/PageOverlay.cpp
+++ /dev/null
@@ -1,159 +0,0 @@
-/*
- * Copyright (C) 2011 Google 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 GOOGLE 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 GOOGLE 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.
- */
-
-#include "config.h"
-#include "web/PageOverlay.h"
-
-#include "core/frame/Settings.h"
-#include "core/page/Page.h"
-#include "platform/graphics/GraphicsContext.h"
-#include "platform/graphics/GraphicsLayer.h"
-#include "platform/graphics/GraphicsLayerClient.h"
-#include "public/platform/WebLayer.h"
-#include "public/web/WebPageOverlay.h"
-#include "public/web/WebViewClient.h"
-#include "web/WebViewImpl.h"
-
-namespace blink {
-
-namespace {
-
-WebCanvas* ToWebCanvas(GraphicsContext* gc)
-{
-    return gc->canvas();
-}
-
-} // namespace
-
-PassOwnPtr<PageOverlay> PageOverlay::create(WebViewImpl* viewImpl, WebPageOverlay* overlay)
-{
-    return adoptPtr(new PageOverlay(viewImpl, overlay));
-}
-
-PageOverlay::PageOverlay(WebViewImpl* viewImpl, WebPageOverlay* overlay)
-    : m_viewImpl(viewImpl)
-    , m_overlay(overlay)
-    , m_zOrder(0)
-{
-}
-
-class OverlayGraphicsLayerClientImpl : public GraphicsLayerClient {
-public:
-    static PassOwnPtr<OverlayGraphicsLayerClientImpl> create(WebPageOverlay* overlay)
-    {
-        return adoptPtr(new OverlayGraphicsLayerClientImpl(overlay));
-    }
-
-    virtual ~OverlayGraphicsLayerClientImpl() { }
-
-    virtual void notifyAnimationStarted(const GraphicsLayer*, double monotonicTime) override { }
-
-    virtual void paintContents(const GraphicsLayer*, GraphicsContext& gc, GraphicsLayerPaintingPhase, const IntRect& inClip)
-    {
-        gc.save();
-        m_overlay->paintPageOverlay(ToWebCanvas(&gc));
-        gc.restore();
-    }
-
-    virtual String debugName(const GraphicsLayer* graphicsLayer) override
-    {
-        return String("WebViewImpl Page Overlay Content Layer");
-    }
-
-private:
-    explicit OverlayGraphicsLayerClientImpl(WebPageOverlay* overlay)
-        : m_overlay(overlay)
-    {
-    }
-
-    WebPageOverlay* m_overlay;
-};
-
-void PageOverlay::clear()
-{
-    invalidateWebFrame();
-
-    if (m_layer) {
-        m_layer->removeFromParent();
-        m_layer = nullptr;
-        m_layerClient = nullptr;
-    }
-}
-
-void PageOverlay::update()
-{
-    invalidateWebFrame();
-
-    if (!m_layer) {
-        m_layerClient = OverlayGraphicsLayerClientImpl::create(m_overlay);
-        m_layer = GraphicsLayer::create(m_viewImpl->graphicsLayerFactory(), m_layerClient.get());
-        m_layer->setDrawsContent(true);
-
-        // This is required for contents of overlay to stay in sync with the page while scrolling.
-        WebLayer* platformLayer = m_layer->platformLayer();
-        platformLayer->setShouldScrollOnMainThread(true);
-    }
-
-    FloatSize size(m_viewImpl->size());
-    if (size != m_layer->size()) {
-        // Triggers re-adding to root layer to ensure that we are on top of
-        // scrollbars.
-        m_layer->removeFromParent();
-        m_layer->setSize(size);
-    }
-
-    m_viewImpl->setOverlayLayer(m_layer.get());
-    m_layer->setNeedsDisplay();
-}
-
-void PageOverlay::paintWebFrame(GraphicsContext& gc)
-{
-    if (!m_viewImpl->isAcceleratedCompositingActive()) {
-        gc.save();
-        m_overlay->paintPageOverlay(ToWebCanvas(&gc));
-        gc.restore();
-    }
-}
-
-void PageOverlay::invalidateWebFrame()
-{
-    // WebPageOverlay does the actual painting of the overlay.
-    // Here we just make sure to invalidate.
-    if (!m_viewImpl->isAcceleratedCompositingActive()) {
-        // FIXME: able to invalidate a smaller rect.
-        // FIXME: Is it important to just invalidate a smaller rect given that
-        // this is not on a critical codepath? In order to do so, we'd
-        // have to take scrolling into account.
-        const WebSize& size = m_viewImpl->size();
-        WebRect damagedRect(0, 0, size.width, size.height);
-        if (m_viewImpl->client())
-            m_viewImpl->client()->didInvalidateRect(damagedRect);
-    }
-}
-
-} // namespace blink