Make targetDensity-dpi account for deviceScaleFactor correctly.

Source/core/page/PageScaleConstraintsSet.cpp

Index: Source/core/page/PageScaleConstraintsSet.cpp
diff --git a/Source/core/page/PageScaleConstraintsSet.cpp b/Source/core/page/PageScaleConstraintsSet.cpp
index a5df3e1550f4d867b59bc540180127f51e668d75..294a9beb3f2bdbe3183fb23a9b38191846fb9e66 100644
--- a/Source/core/page/PageScaleConstraintsSet.cpp
+++ b/Source/core/page/PageScaleConstraintsSet.cpp
@@ -111,7 +111,7 @@ static float computeDeprecatedTargetDensityDPIFactor(const ViewportArguments& ar
         targetDPI = 240.0f;
     else if (arguments.deprecatedTargetDensityDPI != ViewportArguments::ValueAuto)
         targetDPI = arguments.deprecatedTargetDensityDPI;
-    return targetDPI > 0 ? (deviceScaleFactor * 120.0f) / targetDPI : 1.0f;
+    return targetDPI > 0 ? 160.0f / targetDPI : 1.0f;
 }
 
 static float getLayoutWidthForNonWideViewport(const FloatSize& deviceSize, float initialScale)