Hide the mouse cursor if it is empty.

remoting/client/plugin/pepper_input_handler.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 "remoting/client/plugin/pepper_input_handler.h"
 
 #include "base/logging.h"
 #include "ppapi/cpp/image_data.h"
 #include "ppapi/cpp/input_event.h"
 #include "ppapi/cpp/module_impl.h"
@@ skipping 262 matching lines @@
 
 void PepperInputHandler::UpdateMouseCursor() {
   DCHECK(mouse_lock_state_ == MouseLockDisallowed ||
          mouse_lock_state_ == MouseLockOff);
 
   if (cursor_image_) {
     pp::MouseCursor::SetCursor(instance_, PP_MOUSECURSOR_TYPE_CUSTOM,
                                *cursor_image_,
                                cursor_hotspot_);
   } else {
-    // If there is no cursor shape stored, either because the host never
-    // supplied one, or we were previously in mouse-lock mode, then use
-    // a standard arrow pointer.
-    pp::MouseCursor::SetCursor(instance_, PP_MOUSECURSOR_TYPE_POINTER);
+    pp::MouseCursor::SetCursor(instance_, PP_MOUSECURSOR_TYPE_NONE);
   }
 }
 
 void PepperInputHandler::OnMouseLocked(int error) {
   DCHECK(mouse_lock_state_ == MouseLockRequestPending ||
          mouse_lock_state_ == MouseLockCancelling);
 
   bool should_cancel = (mouse_lock_state_ == MouseLockCancelling);
 
   // See if the operation succeeded.
   if (error == PP_OK) {
     mouse_lock_state_ = MouseLockOn;
   } else {
     mouse_lock_state_ = MouseLockOff;
     UpdateMouseCursor();
   }
 
   // Cancel as needed.
   if (should_cancel)
     CancelMouseLock();
 }
 
 }  // namespace remoting