Fix incorrect evaluation of resolution media queries

Source/core/testing/InternalSettings.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 57 matching lines @@
 InternalSettings::Backup::Backup(Settings* settings)
     : m_originalCSSExclusionsEnabled(RuntimeEnabledFeatures::cssExclusionsEnabled())
     , m_originalCSSVariablesEnabled(settings->cssVariablesEnabled())
     , m_originalAuthorShadowDOMForAnyElementEnabled(RuntimeEnabledFeatures::authorShadowDOMForAnyElementEnabled())
     , m_originalExperimentalShadowDOMEnabled(RuntimeEnabledFeatures::experimentalShadowDOMEnabled())
     , m_originalStyleScoped(RuntimeEnabledFeatures::styleScopedEnabled())
     , m_originalEditingBehavior(settings->editingBehaviorType())
     , m_originalTextAutosizingEnabled(settings->textAutosizingEnabled())
     , m_originalTextAutosizingWindowSizeOverride(settings->textAutosizingWindowSizeOverride())
     , m_originalTextAutosizingFontScaleFactor(settings->textAutosizingFontScaleFactor())
-    , m_originalResolutionOverride(settings->resolutionOverride())
     , m_originalMediaTypeOverride(settings->mediaTypeOverride())
     , m_originalDialogElementEnabled(RuntimeEnabledFeatures::dialogElementEnabled())
     , m_originalLazyLayoutEnabled(RuntimeEnabledFeatures::lazyLayoutEnabled())
     , m_originalMockScrollbarsEnabled(settings->mockScrollbarsEnabled())
     , m_langAttributeAwareFormControlUIEnabled(RuntimeEnabledFeatures::langAttributeAwareFormControlUIEnabled())
     , m_imagesEnabled(settings->areImagesEnabled())
     , m_shouldDisplaySubtitles(settings->shouldDisplaySubtitles())
     , m_shouldDisplayCaptions(settings->shouldDisplayCaptions())
     , m_shouldDisplayTextDescriptions(settings->shouldDisplayTextDescriptions())
     , m_defaultVideoPosterURL(settings->defaultVideoPosterURL())
 {
 }
 
 void InternalSettings::Backup::restoreTo(Settings* settings)
 {
     RuntimeEnabledFeatures::setCSSExclusionsEnabled(m_originalCSSExclusionsEnabled);
     settings->setCSSVariablesEnabled(m_originalCSSVariablesEnabled);
     RuntimeEnabledFeatures::setAuthorShadowDOMForAnyElementEnabled(m_originalAuthorShadowDOMForAnyElementEnabled);
     RuntimeEnabledFeatures::setExperimentalShadowDOMEnabled(m_originalExperimentalShadowDOMEnabled);
     RuntimeEnabledFeatures::setStyleScopedEnabled(m_originalStyleScoped);
     settings->setEditingBehaviorType(m_originalEditingBehavior);
     settings->setTextAutosizingEnabled(m_originalTextAutosizingEnabled);
     settings->setTextAutosizingWindowSizeOverride(m_originalTextAutosizingWindowSizeOverride);
     settings->setTextAutosizingFontScaleFactor(m_originalTextAutosizingFontScaleFactor);
-    settings->setResolutionOverride(m_originalResolutionOverride);
     settings->setMediaTypeOverride(m_originalMediaTypeOverride);
     RuntimeEnabledFeatures::setDialogElementEnabled(m_originalDialogElementEnabled);
     RuntimeEnabledFeatures::setLazyLayoutEnabled(m_originalLazyLayoutEnabled);
     settings->setMockScrollbarsEnabled(m_originalMockScrollbarsEnabled);
     RuntimeEnabledFeatures::setLangAttributeAwareFormControlUIEnabled(m_langAttributeAwareFormControlUIEnabled);
     settings->setImagesEnabled(m_imagesEnabled);
     settings->setShouldDisplaySubtitles(m_shouldDisplaySubtitles);
     settings->setShouldDisplayCaptions(m_shouldDisplayCaptions);
     settings->setShouldDisplayTextDescriptions(m_shouldDisplayTextDescriptions);
     settings->setDefaultVideoPosterURL(m_defaultVideoPosterURL);
@@ skipping 34 matching lines @@
 
 InternalSettings::InternalSettings(Page* page)
     : InternalSettingsGenerated(page)
     , m_page(page)
     , m_backup(page->settings())
 {
 }
 
 void InternalSettings::resetToConsistentState()
 {
+    page()->setDeviceScaleFactor(1);
     page()->setPageScaleFactor(1, IntPoint(0, 0));
     page()->setCanStartMedia(true);
 
     m_backup.restoreTo(settings());
     m_backup = Backup(settings());
 
     InternalSettingsGenerated::resetToConsistentState();
 }
 
 Settings* InternalSettings::settings() const
@@ skipping 85 matching lines @@
     InternalSettingsGuardForSettings();
     settings()->setTextAutosizingEnabled(enabled);
 }
 
 void InternalSettings::setTextAutosizingWindowSizeOverride(int width, int height, ExceptionCode& ec)
 {
     InternalSettingsGuardForSettings();
     settings()->setTextAutosizingWindowSizeOverride(IntSize(width, height));
 }
 
-void InternalSettings::setResolutionOverride(int dotsPerCSSInchHorizontally, int dotsPerCSSInchVertically, ExceptionCode& ec)
-{
-    InternalSettingsGuardForSettings();
-    // An empty size resets the override.
-    settings()->setResolutionOverride(IntSize(dotsPerCSSInchHorizontally, dotsPerCSSInchVertically));
-}
-
 void InternalSettings::setMediaTypeOverride(const String& mediaType, ExceptionCode& ec)
 {
     InternalSettingsGuardForSettings();
     settings()->setMediaTypeOverride(mediaType);
 }
 
 void InternalSettings::setTextAutosizingFontScaleFactor(float fontScaleFactor, ExceptionCode& ec)
 {
     InternalSettingsGuardForSettings();
     settings()->setTextAutosizingFontScaleFactor(fontScaleFactor);
@@ skipping 97 matching lines @@
     settings()->setImagesEnabled(enabled);
 }
 
 void InternalSettings::setDefaultVideoPosterURL(const String& url, ExceptionCode& ec)
 {
     InternalSettingsGuardForSettings();
     settings()->setDefaultVideoPosterURL(url);
 }
 
 }