Moving string normalization out of HarfBuzz

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

Index: third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.h
diff --git a/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.h b/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.h
index 416e02c28f0a19569daf97e619d0dc33898c4edf..fa69d9b506a0d4e5d39ae5f61b3a60bf5a44ebb1 100644
--- a/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.h
+++ b/third_party/WebKit/Source/platform/fonts/shaping/HarfBuzzShaper.h
@@ -131,7 +131,7 @@ class UnicodeRangeSet;
 // sub-run, and the result is inserted into ShapeResult as well.
 class PLATFORM_EXPORT HarfBuzzShaper final {
  public:
-  HarfBuzzShaper(const TextRun&);
+  HarfBuzzShaper(const UChar*, unsigned length, TextDirection);
   PassRefPtr<ShapeResult> shapeResult(const Font*) const;
   ~HarfBuzzShaper() {}
 
@@ -166,9 +166,9 @@ class PLATFORM_EXPORT HarfBuzzShaper final {
       unsigned numGlyphs,
       hb_buffer_t*);
 
-  const TextRun& m_textRun;
-  std::unique_ptr<UChar[]> m_normalizedBuffer;
+  const UChar* m_normalizedBuffer;
   unsigned m_normalizedBufferLength;
+  TextDirection m_textDirection;
 };
 
 }  // namespace blink