[ash-md] Changed the style of ink drop applied to system menu icon buttons.

ash/common/system/tray/special_popup_row.cc

Index: ash/common/system/tray/special_popup_row.cc
diff --git a/ash/common/system/tray/special_popup_row.cc b/ash/common/system/tray/special_popup_row.cc
index 51bfd3a4ff33915fb4f62f3b7a4d6e242a03f286..53ac53250baf3e79686078f23b7ca962024f7961 100644
--- a/ash/common/system/tray/special_popup_row.cc
+++ b/ash/common/system/tray/special_popup_row.cc
@@ -101,7 +101,8 @@ void SpecialPopupRow::SetContent(views::View* view) {
 
 views::Button* SpecialPopupRow::AddBackButton(views::ButtonListener* listener) {
   SystemMenuButton* button = new SystemMenuButton(
-      listener, kSystemMenuArrowBackIcon, IDS_ASH_STATUS_TRAY_PREVIOUS_MENU);
+      listener, SystemMenuButton::InkDropStyle::SQUARE,
+      kSystemMenuArrowBackIcon, IDS_ASH_STATUS_TRAY_PREVIOUS_MENU);
   AddViewBeforeContent(button);
   return button;
 }
@@ -110,7 +111,8 @@ views::CustomButton* SpecialPopupRow::AddSettingsButton(
     views::ButtonListener* listener,
     LoginStatus status) {
   SystemMenuButton* button = new SystemMenuButton(
-      listener, kSystemMenuSettingsIcon, IDS_ASH_STATUS_TRAY_SETTINGS);
+      listener, SystemMenuButton::InkDropStyle::SQUARE, kSystemMenuSettingsIcon,
+      IDS_ASH_STATUS_TRAY_SETTINGS);
   if (!CanOpenWebUISettings(status))
     button->SetState(views::Button::STATE_DISABLED);
   AddViewAfterContent(button);
@@ -120,8 +122,9 @@ views::CustomButton* SpecialPopupRow::AddSettingsButton(
 views::CustomButton* SpecialPopupRow::AddHelpButton(
     views::ButtonListener* listener,
     LoginStatus status) {
-  SystemMenuButton* button = new SystemMenuButton(listener, kSystemMenuHelpIcon,
-                                                  IDS_ASH_STATUS_TRAY_HELP);
+  SystemMenuButton* button =
+      new SystemMenuButton(listener, SystemMenuButton::InkDropStyle::SQUARE,
+                           kSystemMenuHelpIcon, IDS_ASH_STATUS_TRAY_HELP);
   if (!CanOpenWebUISettings(status))
     button->SetState(views::Button::STATE_DISABLED);
   AddViewAfterContent(button);