Remove meta viewport and @viewport CSS rules.

sky/engine/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 932 matching lines @@
 }
 
 WebLocalFrameImpl* WebViewImpl::localFrameRootTemporary() const
 {
     // FIXME(sky): remove
     return WebLocalFrameImpl::fromFrame(page()->mainFrame());
 }
 
 void WebViewImpl::performResize()
 {
-    updatePageDefinedViewportConstraints(localFrameRootTemporary()->frame()->document()->viewportDescription());
     updateMainFrameLayoutSize();
 
     // If the virtual viewport pinch mode is enabled, the main frame will be resized
     // after layout so it can be sized to the contentsSize.
     if (localFrameRootTemporary()->frameView())
         localFrameRootTemporary()->frameView()->resize(m_size);
 }
 
 void WebViewImpl::resize(const WebSize& newSize)
 {
@@ skipping 859 matching lines @@
 {
     if (!page())
         return;
 
     page()->setDeviceScaleFactor(scaleFactor);
 
     if (m_layerTreeView)
         updateLayerTreeDeviceScaleFactor();
 }
 
-void WebViewImpl::updatePageDefinedViewportConstraints(const ViewportDescription& description)
-{
-    if (!settings()->viewportEnabled() || !page() || (!m_size.width && !m_size.height))
-        return;
-
-    Document* document = page()->mainFrame()->document();
-
-    m_matchesHeuristicsForGpuRasterization = description.maxWidth == Length(DeviceWidth)
-        && description.minZoom == 1.0
-        && description.minZoomIsExplicit;
-    if (m_layerTreeView)
-        m_layerTreeView->heuristicsForGpuRasterizationUpdated(m_matchesHeuristicsForGpuRasterization);
-
-    Length defaultMinWidth = document->viewportDefaultMinWidth();
-    if (defaultMinWidth.isAuto())
-        defaultMinWidth = Length(ExtendToZoom);
-
-    updateMainFrameLayoutSize();
-}
-
 void WebViewImpl::updateMainFrameLayoutSize()
 {
     if (m_fixedLayoutSizeLock || !mainFrameImpl())
         return;
 
     RefPtr<FrameView> view = mainFrameImpl()->frameView();
     if (!view)
         return;
 
     WebSize layoutSize = m_size;
@@ skipping 599 matching lines @@
         m_layerTreeView->setVisible(visible);
     }
 }
 
 bool WebViewImpl::shouldDisableDesktopWorkarounds()
 {
     return true;
 }
 
 } // namespace blink