Initial support of large mouse cursor on Exosphere

ui/wm/core/cursor_manager.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/wm/core/cursor_manager.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 114 matching lines @@
                       OnCursorVisibilityChanged(false));
   }
 }
 
 bool CursorManager::IsCursorVisible() const {
   return current_state_->visible();
 }
 
 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 {
   return current_state_->cursor_set();
 }
 
 void CursorManager::EnableMouseEvents() {
   state_on_unlock_->SetMouseEventsEnabled(true);
   if (cursor_lock_count_ == 0 &&
       IsMouseEventsEnabled() != state_on_unlock_->mouse_events_enabled()) {
@@ skipping 47 matching lines @@
 }
 
 void CursorManager::AddObserver(
     aura::client::CursorClientObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 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(
     const ui::KeyEvent& event) const {
   return false;
 }
 
 void CursorManager::CommitCursor(gfx::NativeCursor cursor) {
   current_state_->set_cursor(cursor);
 }
 
 void CursorManager::CommitVisibility(bool visible) {
   // TODO(tdanderson): Find a better place for this so we don't
   // notify the observers more than is necessary.
   FOR_EACH_OBSERVER(aura::client::CursorClientObserver, observers_,
                     OnCursorVisibilityChanged(visible));
   current_state_->SetVisible(visible);
 }
 
 void CursorManager::CommitCursorSet(ui::CursorSetType cursor_set) {
   current_state_->set_cursor_set(cursor_set);
 }
 
 void CursorManager::CommitMouseEventsEnabled(bool enabled) {
   current_state_->SetMouseEventsEnabled(enabled);
 }
 
 }  // namespace wm