Initial support of large mouse cursor on Exosphere

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 1c16abaf93a5e5aa2fb58aac32fa5c1db34402d8..c3445ea1a4040ffa6e9e6a1c73e78eb540b5159d 100644
--- a/ui/wm/core/cursor_manager.cc
+++ b/ui/wm/core/cursor_manager.cc
@@ -132,8 +132,11 @@ bool CursorManager::IsCursorVisible() const {
 
 void CursorManager::SetCursorSet(ui::CursorSetType cursor_set) {
   state_on_unlock_->set_cursor_set(cursor_set);
-  if (GetCursorSet() != state_on_unlock_->cursor_set())
+  if (GetCursorSet() != state_on_unlock_->cursor_set()) {
     delegate_->SetCursorSet(state_on_unlock_->cursor_set(), this);
+    FOR_EACH_OBSERVER(aura::client::CursorClientObserver, observers_,
+                      OnCursorSetChanged(cursor_set));
+  }
 }
 
 ui::CursorSetType CursorManager::GetCursorSet() const {
@@ -201,6 +204,7 @@ void CursorManager::AddObserver(
 void CursorManager::RemoveObserver(
     aura::client::CursorClientObserver* observer) {
   observers_.RemoveObserver(observer);
+  LOG(ERROR) << observers_.might_have_observers();

[sky, 2016/06/20 15:27:51]

remove this.

[yoshiki, 2016/06/28 02:12:42]

Done.

 }
 
 bool CursorManager::ShouldHideCursorOnKeyEvent(