Remove remaining HTML elements

sky/engine/core/css/MediaValues.cpp

 // Copyright 2014 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 "sky/engine/core/css/MediaValues.h"
 
 #include "sky/engine/core/css/CSSHelper.h"
 #include "sky/engine/core/css/MediaValuesCached.h"
 #include "sky/engine/core/css/MediaValuesDynamic.h"
 #include "sky/engine/core/dom/Document.h"
 #include "sky/engine/core/dom/Element.h"
 #include "sky/engine/core/frame/FrameHost.h"
 #include "sky/engine/core/frame/FrameView.h"
 #include "sky/engine/core/frame/LocalFrame.h"
 #include "sky/engine/core/frame/Settings.h"
-#include "sky/engine/core/html/imports/HTMLImportsController.h"
 #include "sky/engine/core/page/Page.h"
 #include "sky/engine/core/rendering/RenderObject.h"
 #include "sky/engine/core/rendering/RenderView.h"
 #include "sky/engine/core/rendering/style/RenderStyle.h"
 #include "sky/engine/platform/PlatformScreen.h"
 
 namespace blink {
 
 PassRefPtr<MediaValues> MediaValues::createDynamicIfFrameExists(LocalFrame* frame)
 {
@@ skipping 155 matching lines @@
         return false;
     }
 
     ASSERT(factor > 0);
     result = value * factor;
     return true;
 }
 
 LocalFrame* MediaValues::frameFrom(Document& document)
 {
-    Document* executingDocument = document.importsController() ? document.importsController()->master() : &document;
-    ASSERT(executingDocument);
-    return executingDocument->frame();
+    return document.frame();
 }
 
 } // namespace