Add ShapeResult::RunInfo glyph iterators

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef ShapeResultBuffer_h
 #define ShapeResultBuffer_h
 
 #include "platform/PlatformExport.h"
 #include "platform/fonts/shaping/ShapeResult.h"
 #include "wtf/Allocator.h"
@@ skipping 49 matching lines @@
  private:
   static CharacterRange getCharacterRangeInternal(
       const Vector<RefPtr<const ShapeResult>, 64>&,
       TextDirection,
       float totalWidth,
       unsigned from,
       unsigned to);
 
   float fillFastHorizontalGlyphBuffer(GlyphBuffer*, const TextRun&) const;
 
-  template <TextDirection>
-  static float fillGlyphBufferForRun(GlyphBuffer*,
-                                     const ShapeResult::RunInfo*,
-                                     const TextRun&,
-                                     float initialAdvance,
-                                     unsigned from,
-                                     unsigned to,
-                                     unsigned runOffset);
+  static float fillGlyphBufferForResult(GlyphBuffer*,
+                                        const ShapeResult&,
+                                        const TextRun&,
+                                        float initialAdvance,
+                                        unsigned from,
+                                        unsigned to,
+                                        unsigned runOffset);
   static float fillGlyphBufferForTextEmphasisRun(GlyphBuffer*,
                                                  const ShapeResult::RunInfo*,
                                                  const TextRun&,
                                                  const GlyphData*,
                                                  float initialAdvance,
                                                  unsigned from,
                                                  unsigned to,
                                                  unsigned runOffset);
 
   static void addRunInfoRanges(const ShapeResult::RunInfo&,
                                float offset,
                                Vector<CharacterRange>&);
 
   // Empirically, cases where we get more than 50 ShapeResults are extremely
   // rare.
   Vector<RefPtr<const ShapeResult>, 64> m_results;
   bool m_hasVerticalOffsets;
 };
 
 }  // namespace blink
 
 #endif  // ShapeResultBuffer_h