Read the default min-width value from the UA style sheets

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 4c48b6f07ee54108b33b997b6bc7d7470f378605..ad2e9fe34e9188ae2a8fa740cc578a6e6b6684d8 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -3030,6 +3030,10 @@ bool Document::shouldMergeWithLegacyDescription(ViewportDescription::Type origin
 
 void Document::setViewportDescription(const ViewportDescription& viewportDescription)
 {
+    // The UA defined min-width is used by the processing of legacy meta tags.

[apavlov, 2014/03/31 16:47:19]

UA-defined

[kenneth.r.christiansen, 2014/03/31 20:37:09]

Done.

+    if (!viewportDescription.isSpecifiedByAuthor())
+        m_viewportDefaultMinWidth = viewportDescription.minWidth;
+
     if (viewportDescription.isLegacyViewportType()) {
         if (settings() && !settings()->viewportMetaEnabled())
             return;