Pepper stream-to-file plumbing....

chrome/plugin/chrome_plugin_host.cc

 // Copyright (c) 2009 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 "chrome/plugin/chrome_plugin_host.h"
 
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/message_loop.h"
@@ skipping 68 matching lines @@
   }
 
   virtual void OnReceivedResponse(
       const ResourceLoaderBridge::ResponseInfo& info,
       bool content_filtered) {
     response_headers_ = info.headers;
     plugin_->functions().response_funcs->start_completed(
         cprequest_.get(), CPERR_SUCCESS);
   }
 
+  virtual void OnDownloadedData(int len) {
+  }
+
   virtual void OnReceivedData(const char* data, int len) {
     response_data_.append(data, len);
     if (read_buffer_) {
       // If we had an asynchronous operation pending, read into that buffer
       // and inform the plugin.
       int rv = Read(read_buffer_, read_buffer_size_);
       DCHECK(rv != CPERR_IO_PENDING);
       read_buffer_ = NULL;
       plugin_->functions().response_funcs->read_completed(
           cprequest_.get(), rv);
@@ skipping 613 matching lines @@
 
     response_funcs.size = sizeof(response_funcs);
     response_funcs.received_redirect = CPRR_ReceivedRedirect;
     response_funcs.start_completed = CPRR_StartCompleted;
     response_funcs.read_completed = CPRR_ReadCompleted;
     response_funcs.upload_progress = CPRR_UploadProgress;
   }
 
   return &browser_funcs;
 }