Update avatar button to MD (part 1)

ui/views/controls/button/label_button.cc

Index: ui/views/controls/button/label_button.cc
diff --git a/ui/views/controls/button/label_button.cc b/ui/views/controls/button/label_button.cc
index d74fc8dbe0e57ed754635d9d56a23c36747b9e8a..7d25701b12f8954488a1b7730a3eb1f5c68854fe 100644
--- a/ui/views/controls/button/label_button.cc
+++ b/ui/views/controls/button/label_button.cc
@@ -433,12 +433,12 @@ void LabelButton::RemoveInkDropLayer(ui::Layer* ink_drop_layer) {
 }
 
 std::unique_ptr<InkDrop> LabelButton::CreateInkDrop() {
-  return UseFloodFillInkDrop() ? CreateDefaultFloodFillInkDropImpl()
-                               : CustomButton::CreateInkDrop();
+  return ShouldUseFloodFillInkDrop() ? CreateDefaultFloodFillInkDropImpl()
+                                     : CustomButton::CreateInkDrop();
 }
 
 std::unique_ptr<views::InkDropRipple> LabelButton::CreateInkDropRipple() const {
-  return UseFloodFillInkDrop()
+  return ShouldUseFloodFillInkDrop()
              ? base::MakeUnique<views::FloodFillInkDropRipple>(
                    size(), GetInkDropCenterBasedOnLastEvent(),
                    GetInkDropBaseColor(), ink_drop_visible_opacity())
@@ -448,7 +448,7 @@ std::unique_ptr<views::InkDropRipple> LabelButton::CreateInkDropRipple() const {
 
 std::unique_ptr<views::InkDropHighlight> LabelButton::CreateInkDropHighlight()
     const {
-  return UseFloodFillInkDrop()
+  return ShouldUseFloodFillInkDrop()
              ? base::MakeUnique<views::InkDropHighlight>(
                    size(), kInkDropSmallCornerRadius,
                    gfx::RectF(GetLocalBounds()).CenterPoint(),
@@ -562,6 +562,10 @@ gfx::Rect LabelButton::GetThemePaintRect() const {
   return GetLocalBounds();
 }
 
+bool LabelButton::ShouldUseFloodFillInkDrop() const {
+  return !GetText().empty();
+}
+
 ui::NativeTheme::State LabelButton::GetThemeState(
     ui::NativeTheme::ExtraParams* params) const {
   GetExtraParams(params);
@@ -605,8 +609,4 @@ void LabelButton::ResetLabelEnabledColor() {
     label_->SetEnabledColor(color);
 }
 
-bool LabelButton::UseFloodFillInkDrop() const {
-  return !GetText().empty();
-}
-
 }  // namespace views