Removed Doxygen groupings by ppb_, pp_, and ppp_. Added grouping by construct...

ppapi/c/ppb_url_loader.h

 /* Copyright (c) 2010 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.
  */
 #ifndef PPAPI_C_PPB_URL_LOADER_H_
 #define PPAPI_C_PPB_URL_LOADER_H_
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/pp_stdint.h"
 
 struct PP_CompletionCallback;
 
 #define PPB_URLLOADER_INTERFACE "PPB_URLLoader;0.1"
 
+/**
+ * @file
+ * Defines the API ...
+ */
+
+/**
+ * @addtogroup Interfaces
+ * @{
+ */
+
 // The interface for loading URLs.
 //
 // Typical steps for loading an URL:
 // 1- Create an URLLoader object.
 // 2- Create an URLRequestInfo object and set properties on it.
 // 3- Call URLLoader's Open method passing the URLRequestInfo.
 // 4- When Open completes, call GetResponseInfo to examine the response headers.
 // 5- Then call ReadResponseBody to stream the data for the response.
 //
 // Alternatively, if PP_URLREQUESTPROPERTY_STREAMTOFILE was set on the
@@ skipping 71 matching lines @@
                                    struct PP_CompletionCallback callback);
 
   // Cancels any IO that may be pending, and closes the URLLoader object.  Any
   // pending callbacks will still run, reporting PP_ERROR_ABORTED if pending IO
   // was interrupted.  It is NOT valid to call Open again after a call to this
   // method.  Note: If the URLLoader object is destroyed, and it is still open,
   // then it will be implicitly closed, so you are not required to call the
   // Close method.
   void (*Close)(PP_Resource loader);
 };
+/**
+ * @}
+ */
+
 
 #endif  /* PPAPI_C_PPB_URL_LOADER_H_ */