[Android WebView] Treat zero values in viewport arguments specially

Source/web/WebSettingsImpl.cpp

 /*
  * 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 38 matching lines @@
 WebSettingsImpl::WebSettingsImpl(Settings* settings)
     : m_settings(settings)
     , m_showFPSCounter(false)
     , m_showPaintRects(false)
     , m_renderVSyncNotificationEnabled(false)
     , m_gestureTapHighlightEnabled(true)
     , m_autoZoomFocusedNodeToLegibleScale(false)
     , m_deferredImageDecodingEnabled(false)
     , m_doubleTapToZoomEnabled(false)
     , m_supportDeprecatedTargetDensityDPI(false)
-    , m_viewportMetaLayoutSizeQuirk(false)
+    , m_viewportMetaLayoutSizeAndZeroValuesQuirk(false)
     , m_pinchOverlayScrollbarThickness(0)
 {
     ASSERT(settings);
 }
 
 void WebSettingsImpl::setStandardFontFamily(const WebString& font, UScriptCode script)
 {
     m_settings->setStandardFontFamily(font, script);
 }
 
@@ skipping 105 matching lines @@
 void WebSettingsImpl::setJavaScriptCanOpenWindowsAutomatically(bool canOpenWindows)
 {
     m_settings->setJavaScriptCanOpenWindowsAutomatically(canOpenWindows);
 }
 
 void WebSettingsImpl::setSupportDeprecatedTargetDensityDPI(bool supportDeprecatedTargetDensityDPI)
 {
     m_supportDeprecatedTargetDensityDPI = supportDeprecatedTargetDensityDPI;
 }
 
-void WebSettingsImpl::setViewportMetaLayoutSizeQuirk(bool viewportMetaLayoutSizeQuirk)
+void WebSettingsImpl::setViewportMetaLayoutSizeAndZeroValuesQuirk(bool viewportMetaLayoutSizeAndZeroValuesQuirk)
 {
-    m_viewportMetaLayoutSizeQuirk = viewportMetaLayoutSizeQuirk;
+    m_viewportMetaLayoutSizeAndZeroValuesQuirk = viewportMetaLayoutSizeAndZeroValuesQuirk;
 }
 
 void WebSettingsImpl::setSupportsMultipleWindows(bool supportsMultipleWindows)
 {
     m_settings->setSupportsMultipleWindows(supportsMultipleWindows);
 }
 
 void WebSettingsImpl::setLoadsImagesAutomatically(bool loadsImagesAutomatically)
 {
     m_settings->setLoadsImagesAutomatically(loadsImagesAutomatically);
@@ skipping 502 matching lines @@
 {
     m_settings->setPinchVirtualViewportEnabled(enabled);
 }
 
 void WebSettingsImpl::setUseSolidColorScrollbars(bool enabled)
 {
     m_settings->setUseSolidColorScrollbars(enabled);
 }
 
 } // namespace WebKit