Refactoring to make adding ink drop animations easier

chrome/browser/ui/views/toolbar/app_menu_button.cc

Index: chrome/browser/ui/views/toolbar/app_menu_button.cc
diff --git a/chrome/browser/ui/views/toolbar/app_menu_button.cc b/chrome/browser/ui/views/toolbar/app_menu_button.cc
index bca918dde15b0032e60a10732195ac498688d31c..6a1e4882c198b6471421f539d58a03aa209f853b 100644
--- a/chrome/browser/ui/views/toolbar/app_menu_button.cc
+++ b/chrome/browser/ui/views/toolbar/app_menu_button.cc
@@ -211,6 +211,17 @@ void AppMenuButton::RemoveInkDropLayer(ui::Layer* ink_drop_layer) {
   SetPaintToLayer(false);
 }
 
+gfx::Point AppMenuButton::CalculateInkDropCenter() const {
+  // ToolbarView extends the bounds of the app button to the right in maximized
+  // mode. So instead of using the center point of local bounds, we use the
+  // center point (adjusted for RTL layouts) of the preferred size, which
+  // doesn't change in maximized mode.
+  const int visible_width = GetPreferredSize().width();
+  return gfx::Point(
+      (GetMirroredXWithWidthInView(0, visible_width) + visible_width) / 2,
+      height() / 2);
+}
+
 const char* AppMenuButton::GetClassName() const {
   return "AppMenuButton";
 }
@@ -259,15 +270,7 @@ bool AppMenuButton::CanDrop(const ui::OSExchangeData& data) {
 
 void AppMenuButton::Layout() {
   MenuButton::Layout();
-
-  // ToolbarView extends the bounds of the app button to the right in maximized
-  // mode. So instead of using the center point of local bounds, we use the
-  // center point (adjusted for RTL layouts) of preferred size which doesn't
-  // change in maximized mode.
-  const int visible_width = GetPreferredSize().width();
-  ink_drop_animation_controller_->SetInkDropCenter(gfx::Point(
-      (GetMirroredXWithWidthInView(0, visible_width) + visible_width) / 2,
-      height() / 2));
+  ink_drop_animation_controller_->SetInkDropCenter(CalculateInkDropCenter());
 }
 
 void AppMenuButton::OnDragEntered(const ui::DropTargetEvent& event) {