LabelButton: cache the last computed preferred size

ui/views/controls/button/label_button_unittest.cc

Index: ui/views/controls/button/label_button_unittest.cc
diff --git a/ui/views/controls/button/label_button_unittest.cc b/ui/views/controls/button/label_button_unittest.cc
index ea81b22acaf3d26af4205d95980d02b31fd78a78..0cec2b39c7cbf252e7b844fc82c567d45a0140d7 100644
--- a/ui/views/controls/button/label_button_unittest.cc
+++ b/ui/views/controls/button/label_button_unittest.cc
@@ -69,11 +69,11 @@ TEST_F(LabelButtonTest, Label) {
   EXPECT_GT(button.GetPreferredSize().width(), long_text_width);
 
   // Clamp the size to a maximum value.
-  button.set_max_size(gfx::Size(long_text_width, 1));
+  button.SetMaxSize(gfx::Size(long_text_width, 1));
   EXPECT_EQ(button.GetPreferredSize(), gfx::Size(long_text_width, 1));
 
   // Clear the monotonically increasing minimum size.
-  button.set_min_size(gfx::Size());
+  button.SetMinSize(gfx::Size());
   EXPECT_GT(button.GetPreferredSize().width(), short_text_width);
   EXPECT_LT(button.GetPreferredSize().width(), long_text_width);
 }
@@ -101,11 +101,11 @@ TEST_F(LabelButtonTest, Image) {
   EXPECT_GT(button.GetPreferredSize().height(), large_size);
 
   // Clamp the size to a maximum value.
-  button.set_max_size(gfx::Size(large_size, 1));
+  button.SetMaxSize(gfx::Size(large_size, 1));
   EXPECT_EQ(button.GetPreferredSize(), gfx::Size(large_size, 1));
 
   // Clear the monotonically increasing minimum size.
-  button.set_min_size(gfx::Size());
+  button.SetMinSize(gfx::Size());
   EXPECT_GT(button.GetPreferredSize().width(), small_size);
   EXPECT_LT(button.GetPreferredSize().width(), large_size);
 }
@@ -157,11 +157,11 @@ TEST_F(LabelButtonTest, LabelAndImage) {
   EXPECT_GT(button.GetPreferredSize().height(), image_size);
 
   // Clamp the size to a maximum value.
-  button.set_max_size(gfx::Size(image_size, 1));
+  button.SetMaxSize(gfx::Size(image_size, 1));
   EXPECT_EQ(button.GetPreferredSize(), gfx::Size(image_size, 1));
 
   // Clear the monotonically increasing minimum size.
-  button.set_min_size(gfx::Size());
+  button.SetMinSize(gfx::Size());
   EXPECT_LT(button.GetPreferredSize().width(), text_width);
   EXPECT_LT(button.GetPreferredSize().width(), image_size);
   EXPECT_LT(button.GetPreferredSize().height(), image_size);
@@ -184,7 +184,7 @@ TEST_F(LabelButtonTest, FontList) {
 
   // The button returns to its original size when the minimal size is cleared
   // and the original font size is restored.
-  button.set_min_size(gfx::Size());
+  button.SetMinSize(gfx::Size());
   button.SetFontList(original_font_list);
   EXPECT_EQ(original_width, button.GetPreferredSize().width());
   EXPECT_EQ(original_height, button.GetPreferredSize().height());