[Win, Linux] Always display the avatar button text at the same size.

ui/gfx/font_list.h

Index: ui/gfx/font_list.h
diff --git a/ui/gfx/font_list.h b/ui/gfx/font_list.h
index 1ba8ad1aff9f0511bcf3c17421f15655766e14f1..8c4cac32b6967555f1e56d9bc02f815d8f4d105f 100644
--- a/ui/gfx/font_list.h
+++ b/ui/gfx/font_list.h
@@ -117,6 +117,31 @@ class GFX_EXPORT FontList {
   // Returns the first font in the list.
   const Font& GetPrimaryFont() const;
 
+  // Given a containing |height| and a |base_font_list|, shrinks the font size

[Peter Kasting, 2014/08/28 19:34:18]

This comment is out of date.

[noms (inactive), 2014/08/28 20:36:25]

Done.

+  // until the font list will fit within |height| while having its cap height
+  // vertically centered.  Returns the correctly-sized font list.
+  //
+  // The expected layout:
+  //   +--------+-----------------------------------------------+------------+
+  //   |        | y offset                                      | space      |
+  //   |        +--------+-------------------+------------------+ above      |
+  //   |        |        |                   | internal leading | cap height |
+  //   | box    | font   | ascent (baseline) +------------------+------------+
+  //   | height | height |                   | cap height                    |
+  //   |        |        |-------------------+------------------+------------+
+  //   |        |        | descent (height - baseline)          | space      |
+  //   |        +--------+--------------------------------------+ below      |
+  //   |        | space at bottom                               | cap height |
+  //   +--------+-----------------------------------------------+------------+
+  // Goal:
+  //     center of box height == center of cap height
+  //     (i.e. space above cap height == space below cap height)
+  // Restrictions:
+  //     y offset >= 0
+  //     space at bottom >= 0
+  //     (i.e. Entire font must be visible inside the box.)
+  gfx::FontList GetLargestFontListWithHeightBound(int height) const;

[msw, 2014/08/28 19:40:03]

Follow the Derive* pattern and reorder as (DeriveWithHeightUpperBound?).

[noms (inactive), 2014/08/28 20:36:25]

Done.

+
  private:
   explicit FontList(FontListImpl* impl);