Changed TextDirection to an enum class and renamed its members

third_party/WebKit/Source/platform/fonts/shaping/ShapeCache.h

Index: third_party/WebKit/Source/platform/fonts/shaping/ShapeCache.h
diff --git a/third_party/WebKit/Source/platform/fonts/shaping/ShapeCache.h b/third_party/WebKit/Source/platform/fonts/shaping/ShapeCache.h
index a1a5c424c9ab909e88086922521be916e2a5440a..0b6b7d2f8be451a76cd46aa7326fe34bce936e00 100644
--- a/third_party/WebKit/Source/platform/fonts/shaping/ShapeCache.h
+++ b/third_party/WebKit/Source/platform/fonts/shaping/ShapeCache.h
@@ -57,16 +57,19 @@ class ShapeCache {
    public:
     static unsigned capacity() { return s_capacity; }
 
-    SmallStringKey() : m_length(s_emptyValueLength), m_direction(LTR) {}
+    SmallStringKey()
+        : m_length(s_emptyValueLength),
+          m_direction(static_cast<unsigned>(TextDirection::Ltr)) {}
 
     SmallStringKey(WTF::HashTableDeletedValueType)
-        : m_length(s_deletedValueLength), m_direction(LTR) {}
+        : m_length(s_deletedValueLength),
+          m_direction(static_cast<unsigned>(TextDirection::Ltr)) {}
 
     template <typename CharacterType>
     SmallStringKey(CharacterType* characters,
                    unsigned short length,
                    TextDirection direction)
-        : m_length(length), m_direction(direction) {
+        : m_length(length), m_direction(static_cast<unsigned>(direction)) {
       ASSERT(length <= s_capacity);
 
       StringHasher hasher;
@@ -185,7 +188,7 @@ class ShapeCache {
       uint32_t key = run[0];
       // All current codepointsin UTF-32 are bewteen 0x0 and 0x10FFFF,
       // as such use bit 32 to indicate direction.
-      if (run.direction() == RTL)
+      if (run.direction() == TextDirection::Rtl)
         key |= (1u << 31);
       SingleCharMap::AddResult addResult = m_singleCharMap.add(key, entry);
       isNewEntry = addResult.isNewEntry;