Don't try to render composited selection in throttled frame

third_party/WebKit/Source/web/tests/sim/SimCompositor.cpp

 // 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 "web/tests/sim/SimCompositor.h"
 
 #include "core/frame/FrameView.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/CompositedLayerMapping.h"
 #include "core/paint/PaintLayer.h"
@@ skipping 27 matching lines @@
         if (!frame->isLocalFrame())
             continue;
         PaintLayer* layer = toLocalFrame(frame)->view()->layoutView()->layer();
         paintLayers(*layer, displayList);
     }
 }
 
 SimCompositor::SimCompositor()
     : m_needsAnimate(false)
     , m_deferCommits(true)
+    , m_hasSelection(false)
     , m_webViewImpl(0)
     , m_lastFrameTimeMonotonic(0)
 {
     FrameView::setInitialTracksPaintInvalidationsForTesting(true);
     // Disable the debug red fill so the output display list doesn't differ in
     // size in Release vs Debug builds.
     GraphicsLayer::setDrawDebugRedFillForTesting(false);
 }
 
 SimCompositor::~SimCompositor()
@@ skipping 10 matching lines @@
 void SimCompositor::setNeedsAnimate()
 {
     m_needsAnimate = true;
 }
 
 void SimCompositor::setDeferCommits(bool deferCommits)
 {
     m_deferCommits = deferCommits;
 }
 
+void SimCompositor::registerSelection(const WebSelection&)
+{
+    m_hasSelection = true;
+}
+
+void SimCompositor::clearSelection()
+{
+    m_hasSelection = false;
+}
+
 SimDisplayItemList SimCompositor::beginFrame()
 {
     DCHECK(m_webViewImpl);
     DCHECK(!m_deferCommits);
     DCHECK(m_needsAnimate);
     m_needsAnimate = false;
 
     // Always advance the time as if the compositor was running at 60fps.
     m_lastFrameTimeMonotonic = monotonicallyIncreasingTime() + 0.016;
 
     m_webViewImpl->beginFrame(m_lastFrameTimeMonotonic);
     m_webViewImpl->updateAllLifecyclePhases();
 
     LocalFrame* root = m_webViewImpl->mainFrameImpl()->frame();
 
     SimDisplayItemList displayList;
     paintFrames(*root, displayList);
 
     return displayList;
 }
 
 } // namespace blink