Clear media query rulesets on page zoom changes.

third_party/WebKit/Source/core/frame/LocalFrame.cpp

Index: third_party/WebKit/Source/core/frame/LocalFrame.cpp
diff --git a/third_party/WebKit/Source/core/frame/LocalFrame.cpp b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
index d4a05863b5abae030a8074773ca690dc531ff9b8..6bfddc192b6e945cddcb95bb3d28907d79388ed1 100644
--- a/third_party/WebKit/Source/core/frame/LocalFrame.cpp
+++ b/third_party/WebKit/Source/core/frame/LocalFrame.cpp
@@ -588,6 +588,7 @@ void LocalFrame::setPageAndTextZoomFactors(float pageZoomFactor, float textZoomF
             toLocalFrame(child)->setPageAndTextZoomFactors(m_pageZoomFactor, m_textZoomFactor);
     }
 
+    document->mediaQueryAffectingValueChanged();
     document->setNeedsStyleRecalc(SubtreeStyleChange, StyleChangeReasonForTracing::create(StyleChangeReason::Zoom));
     document->updateStyleAndLayoutIgnorePendingStylesheets();
 }