Http cache: If we issue a byte range request for x bytes...

net/http/http_cache_transaction.cc

 // Copyright (c) 2006-2009 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 "net/http/http_cache_transaction.h"
 
 #include "base/compiler_specific.h"
 
 #if defined(OS_POSIX)
 #include <unistd.h>
@@ skipping 1509 matching lines @@
 
 int HttpCache::Transaction::DoCacheWriteDataComplete(int result) {
   // Balance the AddRef from DoCacheWriteData.
   cache_callback_->Release();
   if (!cache_)
     return ERR_UNEXPECTED;
 
   if (result < 0)
     return result;
 
-  if (partial_.get())
-    return DoPartialNetworkReadCompleted(result);
+  if (partial_.get()) {
+    // This may be the last request.
+    if (!(result == 0 && !truncated_ &&
+         (partial_->IsLastRange() || mode_ == WRITE)))
+      return DoPartialNetworkReadCompleted(result);
+  }
 
   if (result == 0)  // End of file.
     DoneWritingToEntry(true);
 
   return result;
 }
 
 // We received the response headers and there is no error.
 int HttpCache::Transaction::DoSuccessfulSendRequest() {
   DCHECK(!new_response_);
@@ skipping 194 matching lines @@
   // |value| goes from 0 to 63. Actually, the max value should be 47 (0x2f)
   // but we'll see.
   UMA_HISTOGRAM_ENUMERATION("HttpCache.ResponseHeaders", value, 65);
 }
 
 void HttpCache::Transaction::OnIOComplete(int result) {
   DoLoop(result);
 }
 
 }  // namespace net