tracing for RenderTextMac::GetDisplayText() eliding goo

ui/gfx/render_text_unittest.cc

Index: ui/gfx/render_text_unittest.cc
diff --git a/ui/gfx/render_text_unittest.cc b/ui/gfx/render_text_unittest.cc
index 44551e9ddd0cc8a3bf974ff3dac2eeb30e120010..2e8ec59e1846821fd6c1917b6da6704237e68c50 100644
--- a/ui/gfx/render_text_unittest.cc
+++ b/ui/gfx/render_text_unittest.cc
@@ -2618,6 +2618,7 @@ TEST_F(RenderTextTest, TextDoesntClip) {
 TEST_F(RenderTextTest, Mac_ElidedText) {
   RenderTextMac render_text;
   base::string16 text(ASCIIToUTF16("This is an example."));
+  render_text.SetDisplayRect(gfx::Rect(0, 0, 200, 10));
   render_text.SetText(text);
   render_text.EnsureLayout();
   // NOTE: Character and glyph counts are only comparable for simple text.
@@ -2626,8 +2627,10 @@ TEST_F(RenderTextTest, Mac_ElidedText) {
 
   render_text.SetElideBehavior(ELIDE_TAIL);
   gfx::Size string_size = render_text.GetStringSize();
+  DLOG(INFO) << string_size.ToString();
   string_size.set_width(string_size.width() / 2);
   render_text.SetDisplayRect(gfx::Rect(string_size));
+  DLOG(INFO) << gfx::Rect(string_size).ToString();
   render_text.EnsureLayout();
   EXPECT_GT(text.size(),
             static_cast<size_t>(CTLineGetGlyphCount(render_text.line_)));