Remove unused LocaleChanged methods in Views.

Bug: 
Change-Id: I40041b48ffed49826f2b725ab06a2b7b5964282e
Reviewed-on: https://chromium-review.googlesource.com/587353
Commit-Queue: Michael Giuffrida <michaelpg@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491351}

ash/system/date/date_view.cc

@@ -123,10 +123,6 @@ void BaseDateTimeView::ChildPreferredSizeChanged(views::View* child) {
   PreferredSizeChanged();
 }
 
-void BaseDateTimeView::OnLocaleChanged() {
-  UpdateText();
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 
 DateView::DateView(SystemTrayItem* owner)

ash/system/date/date_view.h

@@ -52,7 +52,6 @@ class ASH_EXPORT BaseDateTimeView : public ActionableView {
 
   // views::View:
   void ChildPreferredSizeChanged(views::View* child) override;
-  void OnLocaleChanged() override;
 
   // Invokes UpdateText() when the displayed time should change.
   base::OneShotTimer timer_;

chrome/browser/chromeos/login/ui/webui_login_view.cc

@@ -409,9 +409,6 @@ void WebUILoginView::Layout() {
     observer.OnPositionRequiresUpdate();
 }
 
-void WebUILoginView::OnLocaleChanged() {
-}
-
 void WebUILoginView::ChildPreferredSizeChanged(View* child) {
   Layout();
   SchedulePaint();

chrome/browser/chromeos/login/ui/webui_login_view.h

@@ -126,7 +126,6 @@ class WebUILoginView : public views::View,
 
   // Overridden from views::View:
   void Layout() override;
-  void OnLocaleChanged() override;
   void ChildPreferredSizeChanged(View* child) override;
   void AboutToRequestFocusFromTabTraversal(bool reverse) override;
 

ui/views/view.cc

@@ -2620,15 +2620,6 @@ void View::PropagateThemeChanged() {
   OnThemeChanged();
 }
 
-void View::PropagateLocaleChanged() {
-  {
-    internal::ScopedChildrenLock lock(this);
-    for (auto* child : base::Reversed(children_))
-      child->PropagateLocaleChanged();
-  }
-  OnLocaleChanged();
-}
-
 void View::PropagateDeviceScaleFactorChanged(float device_scale_factor) {
   {
     internal::ScopedChildrenLock lock(this);

ui/views/view.h

@@ -1235,11 +1235,6 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // Widget::ThemeChanged().
   virtual void OnThemeChanged() {}
 
-  // Called when the locale has changed, overriding allows individual Views to
-  // update locale-dependent strings.
-  // To dispatch a locale changed notification, call Widget::LocaleChanged().
-  virtual void OnLocaleChanged() {}
-
   // Tooltips ------------------------------------------------------------------
 
   // Views must invoke this when the tooltip text they are to display changes.
@@ -1525,10 +1520,6 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // views in the hierarchy.
   void PropagateThemeChanged();
 
-  // Used to propagate locale changed notifications from the root view to all
-  // views in the hierarchy.
-  void PropagateLocaleChanged();
-
   // Used to propagate device scale factor changed notifications from the root
   // view to all views in the hierarchy.
   void PropagateDeviceScaleFactorChanged(float device_scale_factor);

ui/views/widget/root_view.cc

@@ -219,10 +219,6 @@ void RootView::ThemeChanged() {
   View::PropagateThemeChanged();
 }
 
-void RootView::LocaleChanged() {
-  View::PropagateLocaleChanged();
-}
-
 void RootView::DeviceScaleFactorChanged(float device_scale_factor) {
   View::PropagateDeviceScaleFactorChanged(device_scale_factor);
 }

ui/views/widget/root_view.h

@@ -83,10 +83,6 @@ class VIEWS_EXPORT RootView : public View,
   // hierarchy.
   void ThemeChanged();
 
-  // Public API for broadcasting locale change notifications to this View
-  // hierarchy.
-  void LocaleChanged();
-
   // Public API for broadcasting device scale factor change notifications to
   // this View hierarchy.
   void DeviceScaleFactorChanged(float device_scale_factor);

ui/views/widget/widget.cc

@@ -857,10 +857,6 @@ void Widget::ThemeChanged() {
   root_view_->ThemeChanged();
 }
 
-void Widget::LocaleChanged() {
-  root_view_->LocaleChanged();
-}
-
 void Widget::DeviceScaleFactorChanged(float device_scale_factor) {
   root_view_->DeviceScaleFactorChanged(device_scale_factor);
 }

ui/views/widget/widget.h

@@ -641,10 +641,6 @@ class VIEWS_EXPORT Widget : public internal::NativeWidgetDelegate,
   // changed.
   void ThemeChanged();
 
-  // Notifies the view hierarchy contained in this widget that locale resources
-  // changed.
-  void LocaleChanged();
-
   // Notifies the view hierarchy contained in this widget that the device scale
   // factor changed.
   void DeviceScaleFactorChanged(float device_scale_factor);