Expand GPU rasterization trigger for Finch experiment

Source/web/WebSettingsImpl.cpp

Index: Source/web/WebSettingsImpl.cpp
diff --git a/Source/web/WebSettingsImpl.cpp b/Source/web/WebSettingsImpl.cpp
index f8e61c5f7852cbf9abfce0be333bd09c61c8412c..ecba555084bcb354eff68427872eb6a0669889df 100644
--- a/Source/web/WebSettingsImpl.cpp
+++ b/Source/web/WebSettingsImpl.cpp
@@ -54,6 +54,7 @@ WebSettingsImpl::WebSettingsImpl(Settings* settings, InspectorController* inspec
     , m_doubleTapToZoomEnabled(false)
     , m_supportDeprecatedTargetDensityDPI(false)
     , m_shrinksViewportContentToFit(false)
+    , m_useExpandedHeuristicsForGpuRasterization(false)
     , m_viewportMetaLayoutSizeQuirk(false)
     , m_viewportMetaNonUserScalableQuirk(false)
     , m_clobberUserAgentInitialScaleQuirk(false)
@@ -289,6 +290,11 @@ void WebSettingsImpl::setAllowScriptsToCloseWindows(bool allow)
     m_settings->setAllowScriptsToCloseWindows(allow);
 }
 
+void WebSettingsImpl::setUseExpandedHeuristicsForGpuRasterization(bool useExpandedHeuristics)
+{
+    m_useExpandedHeuristicsForGpuRasterization = useExpandedHeuristics;
+}
+
 void WebSettingsImpl::setUseLegacyBackgroundSizeShorthandBehavior(bool useLegacyBackgroundSizeShorthandBehavior)
 {
     m_settings->setUseLegacyBackgroundSizeShorthandBehavior(useLegacyBackgroundSizeShorthandBehavior);