Force clients to specify font when requesting strikecache

Bug: skia:
Change-Id: If56222039239df085d6c40e835060e91fe70940b
Reviewed-on: https://skia-review.googlesource.com/c/173166
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/bench/SkGlyphCacheBench.cpp b/bench/SkGlyphCacheBench.cpp
index be99c9c..bb1f493 100644
--- a/bench/SkGlyphCacheBench.cpp
+++ b/bench/SkGlyphCacheBench.cpp
@@ -17,11 +17,12 @@
 #include "sk_tool_utils.h"
 
 
-static void do_font_stuff(SkPaint* paint) {
+static void do_font_stuff(SkFont* font) {
+    SkPaint defaultPaint;
     for (SkScalar i = 8; i < 64; i++) {
-        paint->setTextSize(i);
+        font->setSize(i);
         auto cache = SkStrikeCache::FindOrCreateStrikeExclusive(
-                *paint,  SkSurfaceProps(0, kUnknown_SkPixelGeometry),
+                *font,  defaultPaint, SkSurfaceProps(0, kUnknown_SkPixelGeometry),
                 SkScalerContextFlags::kNone, SkMatrix::I());
         uint16_t glyphs['z'];
         for (int c = ' '; c < 'z'; c++) {
@@ -54,13 +55,13 @@
     void onDraw(int loops, SkCanvas*) override {
         size_t oldCacheLimitSize = SkGraphics::GetFontCacheLimit();
         SkGraphics::SetFontCacheLimit(fCacheSize);
-        SkPaint paint;
-        paint.setAntiAlias(true);
-        paint.setSubpixelText(true);
-        paint.setTypeface(sk_tool_utils::create_portable_typeface("serif", SkFontStyle::Italic()));
+        SkFont font;
+        font.setEdging(SkFont::Edging::kAntiAlias);
+        font.setSubpixel(true);
+        font.setTypeface(sk_tool_utils::create_portable_typeface("serif", SkFontStyle::Italic()));
 
         for (int work = 0; work < loops; work++) {
-            do_font_stuff(&paint);
+            do_font_stuff(&font);
         }
         SkGraphics::SetFontCacheLimit(oldCacheLimitSize);
     }
@@ -94,11 +95,11 @@
 
         for (int work = 0; work < loops; work++) {
             SkTaskGroup().batch(16, [&](int threadIndex) {
-                SkPaint paint;
-                paint.setAntiAlias(true);
-                paint.setSubpixelText(true);
-                paint.setTypeface(typefaces[threadIndex % 2]);
-                do_font_stuff(&paint);
+                SkFont font;
+                font.setEdging(SkFont::Edging::kAntiAlias);
+                font.setSubpixel(true);
+                font.setTypeface(typefaces[threadIndex % 2]);
+                do_font_stuff(&font);
             });
         }
         SkGraphics::SetFontCacheLimit(oldCacheLimitSize);