Move ash specific cursor code to CursorManager.

ui/aura/root_window_host_win.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/root_window_host_win.h"
 
 #include <windows.h>
 
 #include <algorithm>
 
 #include "base/message_loop.h"
 #include "ui/aura/client/capture_client.h"
 #include "ui/aura/env.h"
 #include "ui/aura/root_window.h"
 #include "ui/base/events/event.h"
 #include "ui/base/view_prop.h"
 
 using std::max;
 using std::min;
 
 namespace aura {
 
 namespace {
 
 const char* kRootWindowHostWinKey = "__AURA_ROOT_WINDOW_HOST_WIN__";
 
+// TODO(mazda): Move the cursor code to ui/base/cursor/cursor_loader_win.{cc,h}.
 const wchar_t* GetCursorId(gfx::NativeCursor native_cursor) {
   switch (native_cursor.native_type()) {
     case ui::kCursorNull:
       return IDC_ARROW;
     case ui::kCursorPointer:
       return IDC_ARROW;
     case ui::kCursorCross:
       return IDC_CROSS;
     case ui::kCursorHand:
       return IDC_HAND;
@@ skipping 314 matching lines @@
 }
 
 void RootWindowHostWin::OnSize(UINT param, const CSize& size) {
   // Minimizing resizes the window to 0x0 which causes our layout to go all
   // screwy, so we just ignore it.
   if (param != SIZE_MINIMIZED)
     delegate_->OnHostResized(gfx::Size(size.cx, size.cy));
 }
 
 }  // namespace aura