Add bottom border to StyledLabel.

ui/views/controls/styled_label_unittest.cc

Index: ui/views/controls/styled_label_unittest.cc
diff --git a/ui/views/controls/styled_label_unittest.cc b/ui/views/controls/styled_label_unittest.cc
index 78b7238ea39d1bc8e77b066747cb618f9e1c238f..00f16052b78fd10b10f8a99bc5db703585041314 100644
--- a/ui/views/controls/styled_label_unittest.cc
+++ b/ui/views/controls/styled_label_unittest.cc
@@ -562,4 +562,21 @@ TEST_F(StyledLabelTest, CacheSize) {
   EXPECT_NE(first_child_after_text_update, first_child_after_layout);
 }
 
+TEST_F(StyledLabelTest, Border) {
+  const std::string text("One line");
+  InitStyledLabel(text);
+  Label label(ASCIIToUTF16(text));
+  gfx::Size label_preferred_size = label.GetPreferredSize();
+  styled()->SetBorder(CreateEmptyBorder(5 /* top */, 10 /* left */,
+                                        6 /* bottom */, 20 /*right*/));

[msw, 2017/03/08 16:34:25]

optional nit: use consistent spacing inside these comments here and below.

[dvadym, 2017/03/08 17:08:22]

Done.

+  styled()->SetBounds(0, 0, 1000, 0);
+  styled()->Layout();
+  EXPECT_EQ(
+      label_preferred_size.height() + 5 /*top border*/ + 6 /* bottom border */,
+      styled()->GetPreferredSize().height());
+  EXPECT_EQ(
+      label_preferred_size.width() + 10 /*left border*/ + 20 /* right border */,
+      styled()->GetPreferredSize().width());
+}
+
 }  // namespace views