Implement 'grid-template' parsing

Source/core/css/CSSValue.cpp

Index: Source/core/css/CSSValue.cpp
diff --git a/Source/core/css/CSSValue.cpp b/Source/core/css/CSSValue.cpp
index ed5befabd06f9a4331183e4594b94b5babb8b35c..bf1803dc3099d57ab729f00a48e365845662be9b 100644
--- a/Source/core/css/CSSValue.cpp
+++ b/Source/core/css/CSSValue.cpp
@@ -38,6 +38,7 @@
 #include "core/css/CSSFontFaceSrcValue.h"
 #include "core/css/CSSFunctionValue.h"
 #include "core/css/CSSGradientValue.h"
+#include "core/css/CSSGridTemplateValue.h"
 #include "core/css/CSSImageSetValue.h"
 #include "core/css/CSSImageValue.h"
 #include "core/css/CSSInheritedValue.h"
@@ -201,6 +202,9 @@ void CSSValue::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
     case FunctionClass:
         static_cast<const CSSFunctionValue*>(this)->reportDescendantMemoryUsage(memoryObjectInfo);
         return;
+    case GridTemplateClass:
+        static_cast<const CSSGridTemplateValue*>(this)->reportDescendantMemoryUsage(memoryObjectInfo);
+        return;
     case InheritedClass:
         static_cast<const CSSInheritedValue*>(this)->reportDescendantMemoryUsage(memoryObjectInfo);
         return;
@@ -302,6 +306,8 @@ bool CSSValue::equals(const CSSValue& other) const
             return compareCSSValues<CSSInheritedValue>(*this, other);
         case InitialClass:
             return compareCSSValues<CSSInitialValue>(*this, other);
+        case GridTemplateClass:
+            return compareCSSValues<CSSGridTemplateValue>(*this, other);
         case PrimitiveClass:
             return compareCSSValues<CSSPrimitiveValue>(*this, other);
         case ReflectClass:
@@ -390,6 +396,8 @@ String CSSValue::cssText() const
         return static_cast<const CSSInheritedValue*>(this)->customCssText();
     case InitialClass:
         return static_cast<const CSSInitialValue*>(this)->customCssText();
+    case GridTemplateClass:
+        return static_cast<const CSSGridTemplateValue*>(this)->customCssText();
     case PrimitiveClass:
         return toCSSPrimitiveValue(this)->customCssText();
     case ReflectClass:
@@ -503,6 +511,9 @@ void CSSValue::destroy()
     case InitialClass:
         delete static_cast<CSSInitialValue*>(this);
         return;
+    case GridTemplateClass:
+        delete static_cast<CSSGridTemplateValue*>(this);
+        return;
     case PrimitiveClass:
         delete toCSSPrimitiveValue(this);
         return;