Fix large cursors not to trigger MouseLock

remoting/client/plugin/chromoting_instance.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/chromoting_instance.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 611 matching lines @@
     void* dst = array_buffer.Map();
     memcpy(dst, cursor_image->data(), buffer_size);
     array_buffer.Unmap();
     pp::VarDictionary dictionary;
     dictionary.Set(pp::Var("width"), width);
     dictionary.Set(pp::Var("height"), height);
     dictionary.Set(pp::Var("hotspotX"), cursor_hotspot.x());
     dictionary.Set(pp::Var("hotspotY"), cursor_hotspot.y());
     dictionary.Set(pp::Var("data"), array_buffer);
     PostChromotingMessage("setCursorShape", dictionary);
-    input_handler_.SetMouseCursor(nullptr, cursor_hotspot);
+    input_handler_.HideMouseCursor();
   } else {
     if (delegate_large_cursors_) {
       pp::VarDictionary dictionary;
       PostChromotingMessage("unsetCursorShape", dictionary);
     }
     input_handler_.SetMouseCursor(cursor_image.Pass(), cursor_hotspot);
   }
 }
 
 void ChromotingInstance::OnFirstFrameReceived() {
@@ skipping 596 matching lines @@
   void* data_ptr = array_buffer.Map();
   memcpy(data_ptr, buffer, buffer_size);
   array_buffer.Unmap();
   pp::VarDictionary data_dictionary;
   data_dictionary.Set(pp::Var("buffer"), array_buffer);
   data_dictionary.Set(pp::Var("keyframe"), keyframe);
   PostChromotingMessage("mediaSourceData", data_dictionary);
 }
 
 }  // namespace remoting