Notify LayoutImage that intrinsic dimensions changed when sizes changes

third_party/WebKit/Source/core/html/HTMLImageElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLImageElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLImageElement.cpp b/third_party/WebKit/Source/core/html/HTMLImageElement.cpp
index cab316648a46ec8a9b4c3be5ea27dd641e07bafc..50f9e02bdec277308a2ba2fd70f57d3649bff314 100644
--- a/third_party/WebKit/Source/core/html/HTMLImageElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLImageElement.cpp
@@ -227,6 +227,7 @@ void HTMLImageElement::setBestFitURLAndDPRFromImageCandidate(const ImageCandidat
 {
     m_bestFitImageURL = candidate.url();
     float candidateDensity = candidate.density();
+    float oldImageDevicePixelRatio = m_imageDevicePixelRatio;
     if (candidateDensity >= 0)
         m_imageDevicePixelRatio = 1.0 / candidateDensity;
 
@@ -237,9 +238,13 @@ void HTMLImageElement::setBestFitURLAndDPRFromImageCandidate(const ImageCandidat
     } else if (!candidate.srcOrigin()) {
         UseCounter::count(document(), UseCounter::SrcsetXDescriptor);
     }
-    if (layoutObject() && layoutObject()->isImage())
+    if (layoutObject() && layoutObject()->isImage()) {
         LayoutImageItem(toLayoutImage(layoutObject())).setImageDevicePixelRatio(m_imageDevicePixelRatio);
 
+        if (oldImageDevicePixelRatio != m_imageDevicePixelRatio)
+            toLayoutImage(layoutObject())->intrinsicSizeChanged();
+    }
+
     if (intrinsicSizingViewportDependant) {
         if (!m_listener)
             m_listener = ViewportChangeListener::create(this);