[Android WebView] Avoid expanding layout width to match the old WebView

Source/core/dom/ViewportArguments.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2012-2013 Intel Corporation. All rights reserved.
  *
@@ skipping 36 matching lines @@
 
 struct ViewportArguments {
 
     enum Type {
         // These are ordered in increasing importance.
         Implicit,
         XHTMLMobileProfile,
         HandheldFriendlyMeta,
         MobileOptimizedMeta,
         ViewportMeta,
+        ViewportMetaLayoutSizeQuirk,
         CSSDeviceAdaptation
     } type;
 
     enum {
         ValueAuto = -1,
         ValueDeviceWidth = -2,
         ValueDeviceHeight = -3,
         ValuePortrait = -4,
         ValueLandscape = -5,
         ValueDeviceDPI = -6,
@@ skipping 59 matching lines @@
         return !(*this == other);
     }
 };
 
 void setViewportFeature(const String& keyString, const String& valueString, Document*, void* data);
 void reportViewportWarning(Document*, ViewportErrorCode, const String& replacement1, const String& replacement2);
 
 } // namespace WebCore
 
 #endif // ViewportArguments_h