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 eaf3613f436be187734886d573ff0d0319511098..0649a0a01d74d70de4afb4d8980a5aab5451aed2 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -212,6 +212,7 @@ void Internals::resetToConsistentState(Page* page)
 {
     ASSERT(page);
 
+    page->setDeviceScaleFactor(1);
     page->setPageScaleFactor(1, IntPoint(0, 0));
     page->setPagination(Pagination());
     TextRun::setAllowsRoundingHacks(false);
@@ -1765,6 +1766,17 @@ 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);
+}
+
 void Internals::setPageScaleFactor(float scaleFactor, int x, int y, ExceptionCode& ec)
 {
     Document* document = contextDocument();