Remove several Page.h includes in preparation for removing page/ dependencies from the rest of core

Source/core/html/HTMLMetaElement-in.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "config.h"
 #include "core/html/HTMLMetaElement.h"
 
 #include "HTMLNames.h"
 #include "core/dom/Document.h"
-#include "core/page/Page.h"
 #include "core/page/Settings.h"
 
 namespace WebCore {
 
 #define DEFINE_ARRAY_FOR_MATCHING(name, source, maxMatchLength) \
 const UChar* name; \
 const unsigned uMaxMatchLength = maxMatchLength; \
 UChar characterBuffer[uMaxMatchLength]; \
 if (!source.is8Bit()) { \
     name = source.characters16(); \
@@ skipping 150 matching lines @@
         CASE("device-height") {
             return Length(100, ViewportPercentageHeight);
         }
     }
 
     float value = parsePositiveNumber(keyString, valueString);
 
     if (value < 0)
         return Length(); // auto
 
-    if (!value && document().page() && document().page()->settings().viewportMetaZeroValuesQuirk()) {
+    if (!value && document().settings() && document().settings()->viewportMetaZeroValuesQuirk()) {
         if (keyString == "width")
             return Length(100, ViewportPercentageWidth);
         if (keyString == "height")
             return Length(100, ViewportPercentageHeight);
     }
 
     return Length(clampLengthValue(value), Fixed);
 }
 
 float HTMLMetaElement::parseViewportValueAsZoom(const String& keyString, const String& valueString)
@@ skipping 22 matching lines @@
     }
 
     float value = parsePositiveNumber(keyString, valueString);
 
     if (value < 0)
         return ViewportDescription::ValueAuto;
 
     if (value > 10.0)
         reportViewportWarning(MaximumScaleTooLargeError, String(), String());
 
-    if (!value && document().page() && document().page()->settings().viewportMetaZeroValuesQuirk())
+    if (!value && document().settings() && document().settings()->viewportMetaZeroValuesQuirk())
         return ViewportDescription::ValueAuto;
 
     return clampScaleValue(value);
 }
 
 float HTMLMetaElement::parseViewportValueAsUserZoom(const String& keyString, const String& valueString)
 {
     // yes and no are used as keywords.
     // Numbers >= 1, numbers <= -1, device-width and device-height are mapped to yes.
     // Numbers in the range <-1, 1>, and unknown values, are mapped to no.
@@ skipping 139 matching lines @@
         message.replace("%replacement2", replacement2);
 
     // FIXME: This message should be moved off the console once a solution to https://bugs.webkit.org/show_bug.cgi?id=103274 exists.
     document().addConsoleMessage(RenderingMessageSource, viewportErrorMessageLevel(errorCode), message);
 }
 
 void HTMLMetaElement::processViewportContentAttribute(const String& content, ViewportDescription::Type origin)
 {
     ASSERT(!content.isNull());
 
-    if (!document().page() || !document().shouldOverrideLegacyViewport(origin))
+    if (!document().settings() || !document().shouldOverrideLegacyViewport(origin))
         return;
 
     ViewportDescription newDescriptionFromLegacyTag(origin);
     parseContentAttribute(content, &HTMLMetaElement::processViewportKeyValuePair, (void*)&newDescriptionFromLegacyTag);
 
     if (newDescriptionFromLegacyTag.minZoom == ViewportDescription::ValueAuto)
         newDescriptionFromLegacyTag.minZoom = 0.25;
 
     if (newDescriptionFromLegacyTag.maxZoom == ViewportDescription::ValueAuto) {
         newDescriptionFromLegacyTag.maxZoom = 5;
         newDescriptionFromLegacyTag.minZoom = std::min(newDescriptionFromLegacyTag.minZoom, float(5));
     }
 
-    const Settings& settings = document().page()->settings();
+    const Settings* settings = document().settings();
 
     if (newDescriptionFromLegacyTag.maxWidth.isAuto()) {
         if (newDescriptionFromLegacyTag.zoom == ViewportDescription::ValueAuto) {
             newDescriptionFromLegacyTag.minWidth = Length(ExtendToZoom);
-            newDescriptionFromLegacyTag.maxWidth = Length(settings.layoutFallbackWidth(), Fixed);
+            newDescriptionFromLegacyTag.maxWidth = Length(settings->layoutFallbackWidth(), Fixed);
         } else if (newDescriptionFromLegacyTag.maxHeight.isAuto()) {
             newDescriptionFromLegacyTag.minWidth = Length(ExtendToZoom);
             newDescriptionFromLegacyTag.maxWidth = Length(ExtendToZoom);
         }
     }
 
     document().setViewportDescription(newDescriptionFromLegacyTag);
 }
 
 
@@ skipping 56 matching lines @@
 {
     return getAttribute(http_equivAttr);
 }
 
 String HTMLMetaElement::name() const
 {
     return getNameAttribute();
 }
 
 }