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2a79f59e73
Currently codepoint to glyph ID resolution is done through MinikinFont interface. To support variation selector, use HarfBuzz API instead of calling this interface since one of its implementation Skia doesn't support variation selector. On the other hand, we don't want to get glyph horizontal advance values by HarfBuzz since HarfBuzz doesn't return correct values when the hinting is active. Thus, use ot_font as a parent font and override glyph_h_advance/glyph_h_origin functions as is. With this change, MinikinFont::GetGlyph is no longer necessary but not removing in this CL for easy reverting since removing interface requires multi-repository commit. This is a base work of b/11256006 and this patch doesn't provide any user visible changes. Bug: 11256006 Change-Id: I061172c0b674bb649ce8bc013ffecf38708bdc41