Reland "Add plumbing for font-stretch"

Source/core/css/resolver/StyleBuilderCustom.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
@@ skipping 364 matching lines @@
     StyleBuilderConverter::createImplicitNamedGridLinesFromGridArea(newNamedGridAreas, namedGridColumnLines, ForColumns);
     StyleBuilderConverter::createImplicitNamedGridLinesFromGridArea(newNamedGridAreas, namedGridRowLines, ForRows);
     state.style()->setNamedGridColumnLines(namedGridColumnLines);
     state.style()->setNamedGridRowLines(namedGridRowLines);
 
     state.style()->setNamedGridArea(newNamedGridAreas);
     state.style()->setNamedGridAreaRowCount(gridTemplateAreasValue->rowCount());
     state.style()->setNamedGridAreaColumnCount(gridTemplateAreasValue->columnCount());
 }
 
+void StyleBuilderFunctions::applyInitialCSSPropertyFontStretch(StyleResolverState& state)
+{
+    state.fontBuilder().setStretch(FontStretchNormal);
+}
+
+void StyleBuilderFunctions::applyInheritCSSPropertyFontStretch(StyleResolverState& state)
+{
+    state.fontBuilder().setStretch(state.parentFontDescription().stretch());
+}
+
+void StyleBuilderFunctions::applyValueCSSPropertyFontStretch(StyleResolverState& state, CSSValue* value)
+{
+    if (!value->isPrimitiveValue())
+        return;
+    CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
+    switch (primitiveValue->getValueID()) {
+    case CSSValueInvalid:
+        ASSERT_NOT_REACHED();
+        break;
+    case CSSValueUltraCondensed:
+        state.fontBuilder().setStretch(FontStretchUltraCondensed);
+        break;
+    case CSSValueExtraCondensed:
+        state.fontBuilder().setStretch(FontStretchExtraCondensed);
+        break;
+    case CSSValueCondensed:
+        state.fontBuilder().setStretch(FontStretchCondensed);
+        break;
+    case CSSValueSemiCondensed:
+        state.fontBuilder().setStretch(FontStretchSemiCondensed);
+        break;
+    case CSSValueNormal:
+        state.fontBuilder().setStretch(FontStretchNormal);
+        break;
+    case CSSValueSemiExpanded:
+        state.fontBuilder().setStretch(FontStretchSemiExpanded);
+        break;
+    case CSSValueExpanded:
+        state.fontBuilder().setStretch(FontStretchExpanded);
+        break;
+    case CSSValueExtraExpanded:
+        state.fontBuilder().setStretch(FontStretchExtraExpanded);
+        break;
+    case CSSValueUltraExpanded:
+        state.fontBuilder().setStretch(FontStretchUltraExpanded);
+        break;
+    default:
+        return;
+    }
+}
+
 void StyleBuilderFunctions::applyValueCSSPropertyLineHeight(StyleResolverState& state, CSSValue* value)
 {
     CSSPrimitiveValue* primitiveValue = toCSSPrimitiveValue(value);
     Length lineHeight;
 
     if (primitiveValue->getValueID() == CSSValueNormal) {
         lineHeight = RenderStyle::initialLineHeight();
     } else if (primitiveValue->isLength()) {
         float multiplier = state.style()->effectiveZoom();
         if (LocalFrame* frame = state.document().frame())
@@ skipping 1063 matching lines @@
         break;
     default:
         ASSERT_NOT_REACHED();
         break;
     }
 
     state.style()->setGridAutoFlow(autoFlow);
 }
 
 } // namespace blink