Refactor InspectorCSSAgent to avoid an intermediate GlyphBuffer

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"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
+#include <tuple>
 
 namespace blink {
 
 struct CharacterRange;
 class GlyphBuffer;
 struct GlyphData;
 class TextRun;
 
 class PLATFORM_EXPORT ShapeResultBuffer {
   WTF_MAKE_NONCOPYABLE(ShapeResultBuffer);
@@ skipping 27 matching lines @@
                                    unsigned to) const;
   Vector<CharacterRange> individualCharacterRanges(TextDirection,
                                                    float totalWidth) const;
 
   static CharacterRange getCharacterRange(RefPtr<const ShapeResult>,
                                           TextDirection,
                                           float totalWidth,
                                           unsigned from,
                                           unsigned to);
 
+  struct RunFontData {
+      SimpleFontData* m_fontData;
+      size_t m_glyphCount;
+  };
+
+  Vector<RunFontData> runFontData() const;
+
  private:
   static CharacterRange getCharacterRangeInternal(
       const Vector<RefPtr<const ShapeResult>, 64>&,
       TextDirection,
       float totalWidth,
       unsigned from,
       unsigned to);
 
   float fillFastHorizontalGlyphBuffer(GlyphBuffer*, const TextRun&) const;
 
@@ skipping 19 matching lines @@
 
   // 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