Stream to file implementation.

chrome/browser/renderer_host/buffered_resource_handler.cc

 // 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.
 
 #include "chrome/browser/renderer_host/buffered_resource_handler.h"
 
 #include <vector>
 
 #include "base/histogram.h"
 #include "base/logging.h"
@@ skipping 224 matching lines @@
 bool BufferedResourceHandler::DidBufferEnough(int bytes_read) {
   const int kRequiredLength = 256;
 
   return bytes_read >= kRequiredLength;
 }
 
 bool BufferedResourceHandler::KeepBuffering(int bytes_read) {
   DCHECK(read_buffer_);
   if (my_buffer_) {
     // We are using our own buffer to read, update the main buffer.
+    // TODO(darin): We should handle the case where read_buffer_size_ is small!
+    // See RedirectToFileResourceHandler::BufIsFull to see how this impairs
+    // downstream ResourceHandler implementations.
     CHECK_LT(bytes_read + bytes_read_, read_buffer_size_);
     memcpy(read_buffer_->data() + bytes_read_, my_buffer_->data(), bytes_read);
     my_buffer_ = NULL;
   }
   bytes_read_ += bytes_read;
   finished_ = (bytes_read == 0);
 
   if (sniff_content_) {
     std::string type_hint, new_type;
     request_->GetMimeType(&type_hint);
@@ skipping 224 matching lines @@
   wait_for_plugins_ = false;
   if (!request_)
     return;
 
   ResourceDispatcherHostRequestInfo* info =
       ResourceDispatcherHost::InfoForRequest(request_);
   host_->PauseRequest(info->child_id(), info->request_id(), false);
   if (!CompleteResponseStarted(info->request_id(), false))
     host_->CancelRequest(info->child_id(), info->request_id(), false);
 }