Introduce deviceDependentMediaQueries (similar to viewportDependent).

third_party/WebKit/Source/core/frame/FrameView.cpp

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 8e3966173f04510d92f6e7aa796d111483da55b4..41d832ff218941f58fcd548e1ab564b5fd039f85 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -765,8 +765,10 @@ void FrameView::performPreLayoutTasks()
     bool wasResized = wasViewportResized();
     Document* document = m_frame->document();
 
-    // Viewport-dependent media queries may cause us to need completely different style information.
-    if (!document->styleResolver() || (wasResized && document->styleResolver()->mediaQueryAffectedByViewportChange())) {
+    // Viewport-dependent or device-dependent media queries may cause us to need completely different style information.
+    if (!document->styleResolver()
+        || (wasResized && document->styleResolver()->mediaQueryAffectedByViewportChange())
+        || (wasResized && m_frame->settings() && m_frame->settings()->resizeIsDeviceSizeChange() && document->styleResolver()->mediaQueryAffectedByDeviceChange())) {
         document->mediaQueryAffectingValueChanged();
     } else if (wasResized) {
         document->evaluateMediaQueryList();