Don't subtract border from max size for display rect.

ui/gfx/render_text.h

Index: ui/gfx/render_text.h
diff --git a/ui/gfx/render_text.h b/ui/gfx/render_text.h
index 7e0b48310116e1fa2cf8ac004389c6bae197a084..3b69982c45dc83609ac13e33cee4b284a8132b74 100644
--- a/ui/gfx/render_text.h
+++ b/ui/gfx/render_text.h
@@ -528,6 +528,9 @@ class GFX_EXPORT RenderText {
   // Retrieves the text in the given |range|.
   base::string16 GetTextFromRange(const Range& range) const;
 
+  // Returns the number of text lines, only for unit test.
+  size_t line_size_for_test() const { return lines_.size(); }

[sky, 2016/12/07 17:09:37]

Add to test::RenderTextTestApi ?

[oshima, 2016/12/13 14:22:18]

Extracted to a separate file. PTAL.

+
  protected:
   RenderText();