Revert of Add a FOUC painting test.

Source/web/tests/sim/SimCompositor.cpp

Index: Source/web/tests/sim/SimCompositor.cpp
diff --git a/Source/web/tests/sim/SimCompositor.cpp b/Source/web/tests/sim/SimCompositor.cpp
deleted file mode 100644
index bce1fa201db217a4db5a81758cdb5589b702f6f3..0000000000000000000000000000000000000000
--- a/Source/web/tests/sim/SimCompositor.cpp
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "config.h"
-#include "web/tests/sim/SimCompositor.h"
-
-#include "core/frame/FrameView.h"
-#include "core/layout/LayoutView.h"
-#include "core/layout/compositing/CompositedDeprecatedPaintLayerMapping.h"
-#include "core/paint/DeprecatedPaintLayer.h"
-#include "platform/graphics/ContentLayerDelegate.h"
-#include "public/platform/WebRect.h"
-#include "web/WebLocalFrameImpl.h"
-#include "web/WebViewImpl.h"
-#include "web/tests/sim/SimDisplayItemList.h"
-#include "web/tests/sim/SimLayerTreeView.h"
-#include "wtf/CurrentTime.h"
-
-namespace blink {
-
-static void paintLayers(DeprecatedPaintLayer& layer, SimDisplayItemList& displayList)
-{
-    if (layer.compositingState() == PaintsIntoOwnBacking) {
-        CompositedDeprecatedPaintLayerMapping* mapping = layer.compositedDeprecatedPaintLayerMapping();
-        GraphicsLayer* graphicsLayer = mapping->mainGraphicsLayer();
-        if (graphicsLayer->hasTrackedPaintInvalidations()) {
-            ContentLayerDelegate* delegate = graphicsLayer->contentLayerDelegateForTesting();
-            delegate->paintContents(&displayList, WebRect(0, 0, layer.size().width(), layer.size().height()));
-            graphicsLayer->resetTrackedPaintInvalidations();
-        }
-    }
-    for (DeprecatedPaintLayer* child = layer.firstChild(); child; child = child->nextSibling())
-        paintLayers(*child, displayList);
-}
-
-static void paintFrames(LocalFrame& root, SimDisplayItemList& displayList)
-{
-    for (Frame* frame = &root; frame; frame = frame->tree().traverseNext(&root)) {
-        if (!frame->isLocalFrame())
-            continue;
-        DeprecatedPaintLayer* layer = toLocalFrame(frame)->view()->layoutView()->layer();
-        paintLayers(*layer, displayList);
-    }
-}
-
-SimCompositor::SimCompositor(SimLayerTreeView& layerTreeView)
-    : m_layerTreeView(&layerTreeView)
-    , m_webViewImpl(0)
-    , m_lastFrameTimeMonotonic(0)
-{
-    FrameView::setInitialTracksPaintInvalidationsForTesting(true);
-}
-
-SimCompositor::~SimCompositor()
-{
-    FrameView::setInitialTracksPaintInvalidationsForTesting(false);
-}
-
-void SimCompositor::setWebViewImpl(WebViewImpl& webViewImpl)
-{
-    m_webViewImpl = &webViewImpl;
-}
-
-SimCompositor::BeginFrameResult SimCompositor::beginFrame()
-{
-    ASSERT(m_webViewImpl);
-    ASSERT(!m_layerTreeView->deferCommits());
-    ASSERT(m_layerTreeView->needsAnimate());
-
-    // Always advance the time as if the compositor was running at 60fps.
-    m_lastFrameTimeMonotonic = monotonicallyIncreasingTime() + 0.016;
-
-    WebBeginFrameArgs args(m_lastFrameTimeMonotonic, 0, 0);
-    m_webViewImpl->beginFrame(args);
-    m_webViewImpl->layout();
-
-    LocalFrame* root = m_webViewImpl->mainFrameImpl()->frame();
-
-    SimDisplayItemList displayList;
-    paintFrames(*root, displayList);
-
-    BeginFrameResult result;
-    result.didDrawText = displayList.didDrawText();
-    result.drawCount = displayList.drawCount();
-
-    m_layerTreeView->clearNeedsAnimate();
-
-    return result;
-}
-
-} // namespace blink