Fix large cursors not to trigger MouseLock

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 200 matching lines @@
   cursor_image_ = image.Pass();
   cursor_hotspot_ = hotspot;
 
   if (mouse_lock_state_ != MouseLockDisallowed && !cursor_image_) {
     RequestMouseLock();
   } else {
     CancelMouseLock();
   }
 }
 
+void PepperInputHandler::HideMouseCursor() {
+  cursor_image_.reset();
+  pp::MouseCursor::SetCursor(instance_, PP_MOUSECURSOR_TYPE_NONE);
+}
+
 void PepperInputHandler::MouseLockLost() {
   DCHECK(mouse_lock_state_ == MouseLockOn ||
          mouse_lock_state_ == MouseLockCancelling);
 
   mouse_lock_state_ = MouseLockOff;
   UpdateMouseCursor();
 }
 
 void PepperInputHandler::RequestMouseLock() {
   // Request mouse lock only if the plugin is focused, the host-supplied cursor
@@ skipping 69 matching lines @@
     mouse_lock_state_ = MouseLockOff;
     UpdateMouseCursor();
   }
 
   // Cancel as needed.
   if (should_cancel)
     CancelMouseLock();
 }
 
 }  // namespace remoting