fix bookmaker

Move some documentation from SkPaint_Reference.bmh to
SkFont_Reference.bmh. Since the legacy routines are still
in SkPaint.h (and not yet marked as deprecated) duplicate
much of it for now.

This get bookmaker running without error, but the generated
documentation is not organized.

TBR=reed@google.com,bungeman@google.com

Docs-Preview: https://skia.org/?cl=175241
Bug: skia:
Change-Id: I31e7dff425e8c0bbac0179a1f3546fbc38fc4504
Reviewed-on: https://skia-review.googlesource.com/c/175241
Commit-Queue: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
diff --git a/docs/SkTextBlobBuilder_Reference.bmh b/docs/SkTextBlobBuilder_Reference.bmh
index 7874313..cb5ceb5 100644
--- a/docs/SkTextBlobBuilder_Reference.bmh
+++ b/docs/SkTextBlobBuilder_Reference.bmh
@@ -25,9 +25,9 @@
 
 RunBuffer supplies storage for Glyphs and positions within a run.
 
-A run is a sequence of Glyphs sharing Paint_Font_Metrics and positioning.
+A run is a sequence of Glyphs sharing Font_Metrics and positioning.
 Each run may position its Glyphs in one of three ways:
-by specifying where the first Glyph is drawn, and allowing Paint_Font_Metrics to
+by specifying where the first Glyph is drawn, and allowing Font_Metrics to
 determine the advance to subsequent Glyphs; by specifying a baseline, and
 the position on that baseline for each Glyph in run; or by providing Point
 array, one per Glyph.