Revert of Modifying TextBlobCacheTest to use SkRandomScalerContext

src/fonts/SkRandomScalerContext.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkRandomScalerContext_DEFINED
 #define SkRandomScalerContext_DEFINED
 
 #include "SkScalerContext.h"
 #include "SkTypeface.h"
 
 /*
  * This scaler context is for debug only purposes.  It will 'randomly' but deterministically return
  * LCD / A8 / BW / RBGA masks based off of the Glyph ID
  */
 
 class SkRandomTypeface : public SkTypeface {
 public:
-    SkRandomTypeface(SkTypeface* proxy, const SkPaint&, bool fakeit);
+    SkRandomTypeface(SkTypeface* proxy, const SkPaint&);
     virtual ~SkRandomTypeface();
 
     SkTypeface* proxy() const { return fProxy; }
     const SkPaint& paint() const { return fPaint; }
 
 protected:
     SkScalerContext* onCreateScalerContext(const SkDescriptor*) const override;
     void onFilterRec(SkScalerContextRec*) const override;
     SkAdvancedTypefaceMetrics* onGetAdvancedTypefaceMetrics(
         PerGlyphInfo,
@@ skipping 10 matching lines @@
     void onGetFamilyName(SkString* familyName) const override;
     SkTypeface::LocalizedStrings* onCreateFamilyNameIterator() const override;
 
     int onGetTableTags(SkFontTableTag tags[]) const override;
     size_t onGetTableData(SkFontTableTag, size_t offset,
                           size_t length, void* data) const override;
 
 private:
     SkTypeface* fProxy;
     SkPaint     fPaint;
-    bool        fFakeIt;
 };
 
 #endif