Aura desktop: Show resize cursors again.

ui/aura/cursor_manager.cc

-// Copyright (c) 2012 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/aura/cursor_manager.h"
-
-#include "base/logging.h"
-#include "ui/aura/cursor_delegate.h"
-#include "ui/aura/env.h"
-
-namespace aura {
-
-CursorManager::CursorManager()
-    : delegate_(NULL),
-      cursor_lock_count_(0),
-      did_cursor_change_(false),
-      cursor_to_set_on_unlock_(0),
-      cursor_visible_(true) {
-}
-
-CursorManager::~CursorManager() {
-}
-
-void CursorManager::LockCursor() {
-  cursor_lock_count_++;
-}
-
-void CursorManager::UnlockCursor() {
-  cursor_lock_count_--;
-  DCHECK_GE(cursor_lock_count_, 0);
-  if (cursor_lock_count_ == 0) {
-    if (did_cursor_change_) {
-      did_cursor_change_ = false;
-      if (delegate_)
-        delegate_->SetCursor(cursor_to_set_on_unlock_);
-    }
-    did_cursor_change_ = false;
-    cursor_to_set_on_unlock_ = gfx::kNullCursor;
-  }
-}
-
-void CursorManager::SetCursor(gfx::NativeCursor cursor) {
-  if (cursor_lock_count_ == 0) {
-    if (delegate_)
-      delegate_->SetCursor(cursor);
-  } else {
-    cursor_to_set_on_unlock_ = cursor;
-    did_cursor_change_ = true;
-  }
-}
-
-void CursorManager::ShowCursor(bool show) {
-  cursor_visible_ = show;
-  if (delegate_)
-    delegate_->ShowCursor(show);
-}
-
-}  // namespace aura