Add Settings::deviceScaleAdjustment.

Source/core/rendering/TextAutosizer.cpp

Index: Source/core/rendering/TextAutosizer.cpp
diff --git a/Source/core/rendering/TextAutosizer.cpp b/Source/core/rendering/TextAutosizer.cpp
index 0424b5a6e365d27923be17813dc1644291d63025..52740266164fcf8df0342fe9b4e4113d8e436ac7 100644
--- a/Source/core/rendering/TextAutosizer.cpp
+++ b/Source/core/rendering/TextAutosizer.cpp
@@ -208,6 +208,11 @@ float TextAutosizer::clusterMultiplier(WritingMode writingMode, const TextAutosi
 
     float multiplier = logicalClusterWidth / logicalWindowWidth;
     multiplier *= m_document->settings()->textAutosizingFontScaleFactor();
+
+    const ViewportDescription& viewportDescription = m_document->page()->mainFrame()->document()->viewportDescription();
+    if (viewportDescription.type == ViewportDescription::UserAgentStyleSheet) {

[pdr., 2013/10/29 02:04:44]

Can you add this as a helper on ViewportDescription or maybe reuse
ViewportStyleResolver's m_hasAuthorStyle?

[skobes, 2013/10/29 17:43:32]

Done.

+        multiplier *= m_document->settings()->deviceScaleAdjustment();
+    }
     return std::max(1.0f, multiplier);
 }