Remove obsolete scale related APIs for cursor

ui/wm/core/cursor_manager.cc

Index: ui/wm/core/cursor_manager.cc
diff --git a/ui/wm/core/cursor_manager.cc b/ui/wm/core/cursor_manager.cc
index 736ef6fa4a9de2d855038dfe43622827af2e0d43..e9f988566a3e68ec8c754cffc9ed20a3ed914db1 100644
--- a/ui/wm/core/cursor_manager.cc
+++ b/ui/wm/core/cursor_manager.cc
@@ -21,7 +21,6 @@ class CursorState {
   CursorState()
       : cursor_(ui::kCursorNone),
         visible_(true),
-        scale_(1.f),
         cursor_set_(ui::CURSOR_SET_NORMAL),
         mouse_events_enabled_(true),
         visible_on_mouse_events_enabled_(true) {
@@ -37,11 +36,6 @@ class CursorState {
     // Ignores the call when mouse events disabled.
   }
 
-  float scale() const { return scale_; }
-  void set_scale(float scale) {
-    scale_ = scale;
-  }
-
   ui::CursorSetType cursor_set() const { return cursor_set_; }
   void set_cursor_set(ui::CursorSetType cursor_set) {
     cursor_set_ = cursor_set;
@@ -65,7 +59,6 @@ class CursorState {
  private:
   gfx::NativeCursor cursor_;
   bool visible_;
-  float scale_;
   ui::CursorSetType cursor_set_;
   bool mouse_events_enabled_;
 
@@ -123,16 +116,6 @@ bool CursorManager::IsCursorVisible() const {
   return current_state_->visible();
 }
 
-void CursorManager::SetScale(float scale) {
-  state_on_unlock_->set_scale(scale);
-  if (GetScale() != state_on_unlock_->scale())
-    delegate_->SetScale(state_on_unlock_->scale(), this);
-}
-
-float CursorManager::GetScale() const {
-  return current_state_->scale();
-}
-
 void CursorManager::SetCursorSet(ui::CursorSetType cursor_set) {
   state_on_unlock_->set_cursor_set(cursor_set);
   if (GetCursorSet() != state_on_unlock_->cursor_set())
@@ -223,10 +206,6 @@ void CursorManager::CommitVisibility(bool visible) {
   current_state_->SetVisible(visible);
 }
 
-void CursorManager::CommitScale(float scale) {
-  current_state_->set_scale(scale);
-}
-
 void CursorManager::CommitCursorSet(ui::CursorSetType cursor_set) {
   current_state_->set_cursor_set(cursor_set);
 }