PPAPI NaCl Proxy: optimize PPB_Fullscreen::IsFullscreen.

ppapi/native_client/src/shared/ppapi_proxy/ppp_instance.srpc

 # Copyright (c) 2011 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # RPC methods used to implement PPP_Instance interface.
 # See ppapi/c/ppp_instance.h for interface details.
 {
  'name': 'PppInstanceRpc',
  'rpcs': [
           # Generic comment: PPAPI uses Did... apparently to indicate that the
@@ skipping 13 matching lines @@
           {'name': 'PPP_Instance_DidDestroy',
            'inputs': [['instance', 'PP_Instance'],  # PP_Instance
                      ],
            'outputs': []
           },
           # Changes the position, size, or clipping rectangle of the instance.
           {'name': 'PPP_Instance_DidChangeView',
            'inputs': [['instance', 'PP_Instance'],  # PP_Instance
                       ['position', 'int32_t[]'],  # PP_Rect*
                       ['clip', 'int32_t[]'],  # PP_Rect*
+                      # This arg is not part of the API, but will help us
+                      # avoid unnecessary PPB_Fullscreen::IsFullscreen RPCs.
+                      ['is_fullscreen', 'int32_t' ]  # PP_Bool
                      ],
            'outputs': []
           },
           # Processes a bool indicating that the instance gained or lost focus.
           {'name': 'PPP_Instance_DidChangeFocus',
            'inputs': [['instance', 'PP_Instance'],  # PP_Instance
                       ['has_focus', 'bool'],  # PP_Bool
                       ],
            'outputs': []
           },
           # Passes URL information to a full-frame instance.
           {'name': 'PPP_Instance_HandleDocumentLoad',
            'inputs': [['instance', 'PP_Instance'],  # PP_Instance
                       ['url_loader', 'PP_Resource'],  # PP_Resource
                       ],
            'outputs': [['success', 'int32_t'],  # PP_Bool
                       ]
           },
          ]
 }