PPAPI: Add an API for setting a custom user agent for URL requests.

ppapi/c/ppb_url_request_info.h

 /* 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.
  */
 
-/* From ppb_url_request_info.idl modified Mon Nov 14 10:36:01 2011. */
+/* From ppb_url_request_info.idl modified Tue Jul 10 09:05:59 2012. */
 
 #ifndef PPAPI_C_PPB_URL_REQUEST_INFO_H_
 #define PPAPI_C_PPB_URL_REQUEST_INFO_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_macros.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/pp_time.h"
@@ skipping 121 matching lines @@
    * not defined and is set by the browser to a value appropriate for the
    * default <code>PP_URLREQUESTPROPERTY_PREFETCHBUFFERUPPERTHRESHOLD</code>.
    * Set it to an integer to set a lower threshold for the prefetched buffer
    * of an asynchronous load. When reached, the browser will resume loading if
    * If <code>PP_URLREQUESTPROPERTY_PREFETCHBUFFERLOWERERTHRESHOLD</code> had
    * previously been reached.
    * When setting this property,
    * <code>PP_URLREQUESTPROPERTY_PREFETCHBUFFERUPPERTHRESHOLD</code> must also
    * be set. Behavior is undefined if the former is >= the latter.
    */
-  PP_URLREQUESTPROPERTY_PREFETCHBUFFERLOWERTHRESHOLD = 12
+  PP_URLREQUESTPROPERTY_PREFETCHBUFFERLOWERTHRESHOLD = 12,
+  /**
+   * This corresponds to a string (<code>PP_VARTYPE_STRING</code>) or may be
+   * undefined (<code>PP_VARTYPE_UNDEFINED</code>; default). Set it to a string
+   * to set a custom user-agent header (if empty, that header will be omitted),
+   * or to undefined to use the default. Only loaders with universal access
+   * (only available on trusted implementations) will accept
+   * <code>URLRequestInfo</code> objects that try to set a custom user agent; if
+   * given to a loader without universal access, <code>PP_ERROR_NOACCESS</code>
+   * will result.
+   */
+  PP_URLREQUESTPROPERTY_CUSTOMUSERAGENT = 13
 } PP_URLRequestProperty;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_URLRequestProperty, 4);
 /**
  * @}
  */
 
 /**
  * @addtogroup Interfaces
  * @{
  */
@@ skipping 89 matching lines @@
                               PP_Time expected_last_modified_time);
 };
 
 typedef struct PPB_URLRequestInfo_1_0 PPB_URLRequestInfo;
 /**
  * @}
  */
 
 #endif  /* PPAPI_C_PPB_URL_REQUEST_INFO_H_ */