Chrome currently doesn't ignore transitions when using "@media print"

third_party/WebKit/Source/core/dom/Document.cpp

Index: third_party/WebKit/Source/core/dom/Document.cpp
diff --git a/third_party/WebKit/Source/core/dom/Document.cpp b/third_party/WebKit/Source/core/dom/Document.cpp
index 99ba96c6edf07a8c0ce6eaced95d3ddc54de6035..f0573887629fc669ea47dfd44cdb3d1389c40f38 100644
--- a/third_party/WebKit/Source/core/dom/Document.cpp
+++ b/third_party/WebKit/Source/core/dom/Document.cpp
@@ -385,6 +385,7 @@ Document::Document(const DocumentInit& initializer, DocumentClassFlags documentC
     , m_contextFeatures(ContextFeatures::defaultSwitch())
     , m_wellFormed(false)
     , m_printing(false)
+    , m_wasPrinting(false)
     , m_paginatedForScreen(false)
     , m_compatibilityMode(NoQuirksMode)
     , m_compatibilityModeLocked(false)
@@ -1835,6 +1836,8 @@ void Document::updateStyle(StyleRecalcChange change)
     styleEngine().resetCSSFeatureFlags(resolver.ensureUpdatedRuleFeatureSet());
     resolver.clearStyleSharingList();
 
+    m_wasPrinting = m_printing;
+
     ASSERT(!needsStyleRecalc());
     ASSERT(!childNeedsStyleRecalc());
     ASSERT(inStyleRecalc());