[Android WebView] Add a legacy quirk for 'user-scalable=no' case

Source/web/WebSettingsImpl.h

 /*
  * Copyright (C) 2009 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 160 matching lines @@
     virtual void setUserStyleSheetLocation(const WebURL&);
     virtual void setUsesEncodingDetector(bool);
     virtual void setUseLegacyBackgroundSizeShorthandBehavior(bool);
     virtual void setUseSolidColorScrollbars(bool);
     virtual void setUseWideViewport(bool);
     virtual void setValidationMessageTimerMagnification(int);
     virtual void setViewportEnabled(bool);
     virtual void setViewportMetaEnabled(bool);
     virtual void setViewportMetaLayoutSizeQuirk(bool);
     virtual void setViewportMetaMergeContentQuirk(bool);
+    virtual void setViewportMetaNonUserScalableQuirk(bool);
     virtual void setViewportMetaZeroValuesQuirk(bool);
     virtual void setWebAudioEnabled(bool);
     virtual void setWebGLErrorsToConsoleEnabled(bool);
     virtual void setWebSecurityEnabled(bool);
     virtual void setWideViewportQuirkEnabled(bool);
     virtual void setXSSAuditorEnabled(bool);
 
     // FIXME: Make chromium stop calling this and delete the method.
     virtual void setVisualWordMovementEnabled(bool) { }
 
     bool showFPSCounter() const { return m_showFPSCounter; }
     bool showPaintRects() const { return m_showPaintRects; }
     bool renderVSyncNotificationEnabled() const { return m_renderVSyncNotificationEnabled; }
     bool autoZoomFocusedNodeToLegibleScale() const { return m_autoZoomFocusedNodeToLegibleScale; }
     bool gestureTapHighlightEnabled() const { return m_gestureTapHighlightEnabled; }
     bool doubleTapToZoomEnabled() const { return m_doubleTapToZoomEnabled; }
     bool perTilePaintingEnabled() const { return m_perTilePaintingEnabled; }
     bool supportDeprecatedTargetDensityDPI() const { return m_supportDeprecatedTargetDensityDPI; }
     bool viewportMetaLayoutSizeQuirk() const { return m_viewportMetaLayoutSizeQuirk; }
+    bool viewportMetaNonUserScalableQuirk() const { return m_viewportMetaNonUserScalableQuirk; }
     bool clobberUserAgentInitialScaleQuirk() const { return m_clobberUserAgentInitialScaleQuirk; }
     int pinchOverlayScrollbarThickness() const { return m_pinchOverlayScrollbarThickness; }
 
 private:
     WebCore::Settings* m_settings;
     bool m_showFPSCounter;
     bool m_showPaintRects;
     bool m_renderVSyncNotificationEnabled;
     bool m_gestureTapHighlightEnabled;
     bool m_autoZoomFocusedNodeToLegibleScale;
     bool m_deferredImageDecodingEnabled;
     bool m_doubleTapToZoomEnabled;
     bool m_perTilePaintingEnabled;
     bool m_supportDeprecatedTargetDensityDPI;
     // This quirk is to maintain compatibility with Android apps built on
     // the Android SDK prior to and including version 18. Presumably, this
     // can be removed any time after 2015. See http://crbug.com/277369.
     bool m_viewportMetaLayoutSizeQuirk;
     // This quirk is to maintain compatibility with Android apps built on
     // the Android SDK prior to and including version 18. Presumably, this
+    // can be removed any time after 2015. See http://crbug.com/312691.
+    bool m_viewportMetaNonUserScalableQuirk;
+    // This quirk is to maintain compatibility with Android apps built on
+    // the Android SDK prior to and including version 18. Presumably, this
     // can be removed any time after 2015. See http://crbug.com/313754.
     bool m_clobberUserAgentInitialScaleQuirk;
     int m_pinchOverlayScrollbarThickness;
     bool m_mainFrameResizesAreOrientationChanges;
 };
 
 } // namespace WebKit
 
 #endif