Remove the text blob cache

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2006, 2007, 2011 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 19 matching lines @@
 #include "platform/heap/Heap.h"
 #include "platform/text/TabSize.h"
 #include "platform/text/TextDirection.h"
 #include "wtf/Allocator.h"
 #include "wtf/text/StringView.h"
 #include "wtf/text/WTFString.h"
 
 #include <SkRefCnt.h>
 #include <unicode/utf16.h>
 
-class SkTextBlob;
-
 namespace blink {
 
 enum TextJustify {
   TextJustifyAuto = 0x0,
   TextJustifyNone = 0x1,
   TextJustifyInterWord = 0x2,
   TextJustifyDistribute = 0x3
 };
 
 class PLATFORM_EXPORT TextRun final {
@@ skipping 255 matching lines @@
   m_allowTabs = allow;
   m_tabSize = size;
 }
 
 // Container for parameters needed to paint TextRun.
 struct TextRunPaintInfo {
   STACK_ALLOCATED();
 
  public:
   explicit TextRunPaintInfo(const TextRun& r)
-      : run(r), from(0), to(r.length()), cachedTextBlob(nullptr) {}
+      : run(r), from(0), to(r.length()) {}
 
   const TextRun& run;
   unsigned from;
   unsigned to;
   FloatRect bounds;
-  sk_sp<SkTextBlob>* cachedTextBlob;
 };
 
 }  // namespace blink
 #endif