Move MediaQueryEvaluator from StyleResolver to StyleEngine.

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 2e8b893a56c61e0cb3f56a55d77d91fe29deac6d..c70324735a6eefbf7e6fd53f1939c575d89d8d23 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -1442,9 +1442,9 @@ void FrameView::setDisplayMode(WebDisplayMode mode) {
 }
 
 void FrameView::setMediaType(const AtomicString& mediaType) {
-  ASSERT(m_frame->document());
-  m_frame->document()->mediaQueryAffectingValueChanged();
+  DCHECK(m_frame->document());
   m_mediaType = mediaType;
+  m_frame->document()->mediaQueryAffectingValueChanged();
 }
 
 AtomicString FrameView::mediaType() const {