Introduce deviceDependentMediaQueries (similar to viewportDependent).

third_party/WebKit/Source/web/WebViewImpl.cpp

Index: third_party/WebKit/Source/web/WebViewImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebViewImpl.cpp b/third_party/WebKit/Source/web/WebViewImpl.cpp
index 8222c42af9b5d445d1ad9018ad01c5aba5b363c4..fc4e911fddbe0a260f794548cdb7ed500d6ded23 100644
--- a/third_party/WebKit/Source/web/WebViewImpl.cpp
+++ b/third_party/WebKit/Source/web/WebViewImpl.cpp
@@ -1848,16 +1848,6 @@ void WebViewImpl::performResize()
         if (!mainFrameImpl()->frameView()->needsLayout())
             postLayoutResize(mainFrameImpl());
     }
-
-    // When device emulation is enabled, device size values may change - they are
-    // usually set equal to the view size. These values are not considered viewport-dependent
-    // (see MediaQueryExp::isViewportDependent), since they are only viewport-dependent in emulation mode,
-    // and thus will not be invalidated in |FrameView::performPreLayoutTasks|.
-    // Therefore we should force explicit media queries invalidation here.
-    if (m_devToolsEmulator->resizeIsDeviceSizeChange()) {
-        if (Document* document = mainFrameImpl()->frame()->document())
-            document->mediaQueryAffectingValueChanged();
-    }
 }
 
 void WebViewImpl::setTopControlsHeight(float height, bool topControlsShrinkLayoutSize)