Supports gfx::FontList in gfx::Canvas and ui::ElideText family.

ui/ui.gyp

Index: ui/ui.gyp
diff --git a/ui/ui.gyp b/ui/ui.gyp
index 2aa50d4d259fb6e69234600b1420bda47af1efef..95d2fad1dafcb3276d69159cf4125182663b5e93 100644
--- a/ui/ui.gyp
+++ b/ui/ui.gyp
@@ -418,13 +418,14 @@
         'gfx/canvas.cc',
         'gfx/canvas.h',
         'gfx/canvas_android.cc',
+        'gfx/canvas_ios.mm',
         'gfx/canvas_mac.mm',
+        'gfx/canvas_paint_gtk.cc',
         'gfx/canvas_paint_gtk.h',
         'gfx/canvas_paint_mac.h',
-        'gfx/canvas_paint_win.h',
-        'gfx/canvas_paint_gtk.cc',
         'gfx/canvas_paint_mac.mm',
         'gfx/canvas_paint_win.cc',
+        'gfx/canvas_paint_win.h',
         'gfx/canvas_skia.cc',
         'gfx/canvas_skia_paint.h',
         'gfx/codec/jpeg_codec.cc',
@@ -622,6 +623,7 @@
             ['include', '_ios\\.(cc|mm)$'],
             ['include', '(^|/)ios/'],
             ['include', '^gfx/'],
+            ['exclude', '^gfx/canvas\\.cc$'],

[msw, 2013/08/19 19:05:43]

What specifically doesn't compile in canvas.cc on iOS with this change? It seems
like the canvas.cc impls should apply there too, and then any iOS-specific impls
can be handled in canvas_ios.mm (i.e. canvas.cc should build on iOS too).

             ['exclude', '^gfx/codec/jpeg_codec\\.cc$'],
             ['include', '^base/animation/'],
             ['include', '^base/l10n/'],