Mark layers that can use LCD text based on layer transform and opacity.

cc/layer_tree_host.cc

 // Copyright 2011 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 "cc/layer_tree_host.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
@@ skipping 556 matching lines @@
     LayerList updateList;
 
     {
         if (m_settings.pageScalePinchZoomEnabled) {
             Layer* rootScroll = findFirstScrollableLayer(rootLayer);
             if (rootScroll)
                 rootScroll->setImplTransform(m_implTransform);
         }
 
         TRACE_EVENT0("cc", "LayerTreeHost::updateLayers::calcDrawEtc");
-        LayerTreeHostCommon::calculateDrawProperties(rootLayer, deviceViewportSize(), m_deviceScaleFactor, m_pageScaleFactor, rendererCapabilities().maxTextureSize, updateList);
+        LayerTreeHostCommon::calculateDrawProperties(rootLayer, deviceViewportSize(), m_deviceScaleFactor, m_pageScaleFactor, rendererCapabilities().maxTextureSize, m_settings.canUseLCDText, updateList);
     }
 
     // Reset partial texture update requests.
     m_partialTextureUpdateRequests = 0;
 
     bool needMoreUpdates = paintLayerContents(updateList, queue);
     if (m_triggerIdleUpdates && needMoreUpdates) {
         TRACE_EVENT0("cc", "LayerTreeHost::updateLayers::posting prepaint task");
         m_prepaintCallback.Reset(base::Bind(&LayerTreeHost::triggerPrepaint, base::Unretained(this)));
         static base::TimeDelta prepaintDelay = base::TimeDelta::FromMilliseconds(100);
@@ skipping 279 matching lines @@
             else
                 layer->notifyAnimationFinished(wallClockTime.ToDoubleT());
         }
     }
 
     for (size_t childIndex = 0; childIndex < layer->children().size(); ++childIndex)
         setAnimationEventsRecursive(events, layer->children()[childIndex].get(), wallClockTime);
 }
 
 }  // namespace cc