Update css styles after modifying display mode

Source/web/DevToolsEmulator.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "web/DevToolsEmulator.h"
 
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
 #include "core/page/Page.h"
@@ skipping 161 matching lines @@
 
     m_webViewImpl->page()->settings().setDeviceScaleAdjustment(calculateDeviceScaleAdjustment(params.viewSize.width, params.viewSize.height, params.deviceScaleFactor));
 
     if (params.screenPosition == WebDeviceEmulationParams::Mobile)
         enableMobileEmulation();
     else
         disableMobileEmulation();
 
     m_webViewImpl->setCompositorDeviceScaleFactorOverride(params.deviceScaleFactor);
     m_webViewImpl->setRootLayerTransform(WebSize(params.offset.x, params.offset.y), params.scale);
-    if (Document* document = m_webViewImpl->mainFrameImpl()->frame()->document()) {
-        document->styleResolverChanged();
+    if (Document* document = m_webViewImpl->mainFrameImpl()->frame()->document())
         document->mediaQueryAffectingValueChanged();
-    }
 }
 
 void DevToolsEmulator::disableDeviceEmulation()
 {
     if (!m_deviceMetricsEnabled)
         return;
 
     m_deviceMetricsEnabled = false;
     m_webViewImpl->setBackgroundColorOverride(Color::transparent);
     m_webViewImpl->updateShowFPSCounter();
     m_webViewImpl->page()->settings().setDeviceScaleAdjustment(m_embedderDeviceScaleAdjustment);
     disableMobileEmulation();
     m_webViewImpl->setCompositorDeviceScaleFactorOverride(0.f);
     m_webViewImpl->setRootLayerTransform(WebSize(0.f, 0.f), 1.f);
     m_webViewImpl->setPageScaleFactor(1.f);
-    if (Document* document = m_webViewImpl->mainFrameImpl()->frame()->document()) {
-        document->styleResolverChanged();
+    if (Document* document = m_webViewImpl->mainFrameImpl()->frame()->document())
         document->mediaQueryAffectingValueChanged();
-    }
 }
 
 void DevToolsEmulator::enableMobileEmulation()
 {
     if (m_emulateMobileEnabled)
         return;
     m_emulateMobileEnabled = true;
     m_isOverlayScrollbarsEnabled = RuntimeEnabledFeatures::overlayScrollbarsEnabled();
     RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(true);
     m_webViewImpl->enableViewport();
@@ skipping 91 matching lines @@
             m_lastPinchAnchorCss.clear();
             m_lastPinchAnchorDip.clear();
         }
         return true;
     }
 
     return false;
 }
 
 } // namespace blink