Remove dead code in spell checker

third_party/WebKit/Source/platform/text/TextChecking.h

Index: third_party/WebKit/Source/platform/text/TextChecking.h
diff --git a/third_party/WebKit/Source/platform/text/TextChecking.h b/third_party/WebKit/Source/platform/text/TextChecking.h
index f05b87d4f6babb25c1cf45dd9daf8a8add55b2e2..0cda1661e0c12e86513b060b22c571725511f7c9 100644
--- a/third_party/WebKit/Source/platform/text/TextChecking.h
+++ b/third_party/WebKit/Source/platform/text/TextChecking.h
@@ -39,14 +39,6 @@
 
 namespace blink {
 
-enum TextCheckingType {
-    TextCheckingTypeNone     = 0,
-    TextCheckingTypeSpelling = 1 << 1,
-    TextCheckingTypeGrammar  = 1 << 2,
-};
-
-typedef unsigned TextCheckingTypeMask;
-
 enum TextCheckingProcessType {
     TextCheckingProcessBatch,
     TextCheckingProcessIncremental
@@ -78,13 +70,11 @@ class TextCheckingRequestData final {
 public:
     TextCheckingRequestData()
         : m_sequence(unrequestedTextCheckingSequence)
-        , m_mask(TextCheckingTypeNone)
         , m_processType(TextCheckingProcessIncremental)
     { }
-    TextCheckingRequestData(int sequence, const String& text, TextCheckingTypeMask mask, TextCheckingProcessType processType, const Vector<uint32_t>& markers, const Vector<unsigned>& offsets)
+    TextCheckingRequestData(int sequence, const String& text, TextCheckingProcessType processType, const Vector<uint32_t>& markers, const Vector<unsigned>& offsets)
         : m_sequence(sequence)
         , m_text(text)
-        , m_mask(mask)
         , m_processType(processType)
         , m_markers(markers)
         , m_offsets(offsets)
@@ -92,8 +82,6 @@ public:
 
     int sequence() const { return m_sequence; }
     String text() const { return m_text; }
-    TextCheckingTypeMask mask() const { return m_mask; }
-    bool maskContains(TextCheckingType type) const { return m_mask & type; }
     TextCheckingProcessType processType() const { return m_processType; }
     const Vector<uint32_t>& markers() const { return m_markers; }
     const Vector<unsigned>& offsets() const { return m_offsets; }
@@ -101,7 +89,6 @@ public:
 private:
     int m_sequence;
     String m_text;
-    TextCheckingTypeMask m_mask;
     TextCheckingProcessType m_processType;
     Vector<uint32_t> m_markers;
     Vector<unsigned> m_offsets;