Use parameterized tests to test multiple render text implementations.

ui/gfx/render_text_harfbuzz.cc

Index: ui/gfx/render_text_harfbuzz.cc
diff --git a/ui/gfx/render_text_harfbuzz.cc b/ui/gfx/render_text_harfbuzz.cc
index ebc72a47fdfc9d2c64cba528fb8352ee2dcfd677..d0b3dd7200278cbaadb91c086ddda01ec5a6638b 100644
--- a/ui/gfx/render_text_harfbuzz.cc
+++ b/ui/gfx/render_text_harfbuzz.cc
@@ -474,7 +474,7 @@ class HarfBuzzLineBreaker {
     // |max_width_| might be smaller than a single character. In this case we
     // need to put at least one character in the line. Note that, we should
     // not separate surrogate pair or combining characters.
-    // See RenderTextTest.Multiline_MinWidth for an example.
+    // See RenderTextHarfBuzzTest.Multiline_MinWidth for an example.
     if (width == 0 && available_width_ == max_width_) {
       end_pos = std::min(
           segment.char_range.end(),