Fix incorrect evaluation of resolution media queries

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index 3a03e64ed227275377c4b2b9bc21f44c891ecf92..0d46f35bacc3fb05479e80e611706eed224f4e21 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -1767,6 +1767,17 @@ String Internals::pageSizeAndMarginsInPixels(int pageNumber, int width, int heig
     return PrintContext::pageSizeAndMarginsInPixels(frame(), pageNumber, width, height, marginTop, marginRight, marginBottom, marginLeft);
 }
 
+void Internals::setDeviceScaleFactor(float scaleFactor, ExceptionCode& ec)
+{
+    Document* document = contextDocument();
+    if (!document || !document->page()) {
+        ec = INVALID_ACCESS_ERR;
+        return;
+    }
+    Page* page = document->page();
+    page->setDeviceScaleFactor(scaleFactor);

[johnme, 2013/04/29 13:25:45]

Shouldn't you restore the original device scale factor in
Internals::resetToConsistentState?

+}
+
 void Internals::setPageScaleFactor(float scaleFactor, int x, int y, ExceptionCode& ec)
 {
     Document* document = contextDocument();