Make LabelButton::SetFontList protected.

ui/views/controls/button/label_button_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/controls/button/label_button.h"
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ skipping 273 matching lines @@
   button_->SetMaxSize(gfx::Size(image_size, 1));
   EXPECT_EQ(button_->GetPreferredSize(), gfx::Size(image_size, 1));
 
   // Clear the monotonically increasing minimum 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);
 }
 
-TEST_F(LabelButtonTest, FontList) {
+TEST_F(LabelButtonTest, AdjustFontSize) {
   button_->SetText(base::ASCIIToUTF16("abc"));
 
-  const gfx::FontList original_font_list = button_->GetFontList();
-  const gfx::FontList large_font_list =
-      original_font_list.DeriveWithSizeDelta(100);
   const int original_width = button_->GetPreferredSize().width();
   const int original_height = button_->GetPreferredSize().height();
 
   // The button size increases when the font size is increased.
-  button_->SetFontList(large_font_list);
+  button_->AdjustFontSize(100);
   EXPECT_GT(button_->GetPreferredSize().width(), original_width);
   EXPECT_GT(button_->GetPreferredSize().height(), original_height);
 
   // The button returns to its original size when the minimal size is cleared
   // and the original font size is restored.
   button_->SetMinSize(gfx::Size());
-  button_->SetFontList(original_font_list);
+  button_->AdjustFontSize(-100);
   EXPECT_EQ(original_width, button_->GetPreferredSize().width());
   EXPECT_EQ(original_height, button_->GetPreferredSize().height());
 }
 
 TEST_F(LabelButtonTest, ChangeTextSize) {
   const base::string16 text(ASCIIToUTF16("abc"));
   const base::string16 longer_text(ASCIIToUTF16("abcdefghijklm"));
   button_->SetText(text);
   button_->SizeToPreferredSize();
   gfx::Rect bounds(button_->bounds());
@@ skipping 185 matching lines @@
 
 // Verifies the target event handler View is the |LabelButton| and not any of
 // the child Views.
 TEST_F(InkDropLabelButtonTest, TargetEventHandler) {
   View* target_view = widget_->GetRootView()->GetEventHandlerForPoint(
       button_->bounds().CenterPoint());
   EXPECT_EQ(button_, target_view);
 }
 
 }  // namespace views