Update from chromium 62675d9fb31fb8cedc40f68e78e8445a74f362e7

net/http/http_cache_transaction.cc

 // 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.
 
 #include "net/http/http_cache_transaction.h"
 
 #include "build/build_config.h"
 
 #if defined(OS_POSIX)
 #include <unistd.h>
@@ skipping 1190 matching lines @@
     // sending a range. We have to delete the old entry.
     UpdateTransactionPattern(PATTERN_NOT_COVERED);
     DoneWritingToEntry(false);
   }
 
   if (mode_ == WRITE &&
       transaction_pattern_ != PATTERN_ENTRY_CANT_CONDITIONALIZE) {
     UpdateTransactionPattern(PATTERN_ENTRY_NOT_CACHED);
   }
 
+  // Invalidate any cached GET with a successful PUT or DELETE.
   if (mode_ == WRITE &&
       (request_->method == "PUT" || request_->method == "DELETE")) {
     if (NonErrorResponse(new_response->headers->response_code())) {
       int ret = cache_->DoomEntry(cache_key_, NULL);
       DCHECK_EQ(OK, ret);
     }
     cache_->DoneWritingToEntry(entry_, true);
     entry_ = NULL;
     mode_ = NONE;
   }
 
-  if (request_->method == "POST" &&
+  // Invalidate any cached GET with a successful POST.
+  if (!(effective_load_flags_ & LOAD_DISABLE_CACHE) &&
+      request_->method == "POST" &&
       NonErrorResponse(new_response->headers->response_code())) {
     cache_->DoomMainEntryForUrl(request_->url);
   }
 
   RecordVaryHeaderHistogram(new_response);
   RecordNoStoreHeaderHistogram(request_->load_flags, new_response);
 
   if (new_response_->headers->response_code() == 416 &&
       (request_->method == "GET" || request_->method == "POST")) {
     // If there is an active entry it may be destroyed with this transaction.
@@ skipping 1713 matching lines @@
 
 void HttpCache::Transaction::OnIOComplete(int result) {
   // TODO(vadimt): Remove ScopedProfile below once crbug.com/422516 is fixed.
   tracked_objects::ScopedProfile tracking_profile(
       FROM_HERE_WITH_EXPLICIT_FUNCTION("422516 Transaction::OnIOComplete"));
 
   DoLoop(result);
 }
 
 }  // namespace net