Revert of HttpCache::Transaction layer allowing parallel validation

net/http/mock_http_cache.cc

Index: net/http/mock_http_cache.cc
diff --git a/net/http/mock_http_cache.cc b/net/http/mock_http_cache.cc
index e676122b53f4c77492d3676dac08bf517b0220dd..47125a30cc53f4bdf2969ae35e1c5b607c2706c4 100644
--- a/net/http/mock_http_cache.cc
+++ b/net/http/mock_http_cache.cc
@@ -534,13 +534,6 @@
       FROM_HERE, base::Bind(&CallbackForwader, callback, result));
 }
 
-bool MockDiskCache::IsDiskEntryDoomed(const std::string& key) {
-  auto it = entries_.find(key);
-  if (it == entries_.end())
-    return false;
-  return it->second->is_doomed();
-}
-
 //-----------------------------------------------------------------------------
 
 int MockBackendFactory::CreateBackend(
@@ -652,41 +645,6 @@
 // Static.
 void MockHttpCache::SetTestMode(int test_mode) {
   g_test_mode = test_mode;
-}
-
-bool MockHttpCache::IsWriterPresent(const std::string& key) {
-  HttpCache::ActiveEntry* entry = http_cache_.FindActiveEntry(key);
-  if (entry)
-    return entry->writer;
-  return false;
-}
-
-bool MockHttpCache::IsHeadersTransactionPresent(const std::string& key) {
-  HttpCache::ActiveEntry* entry = http_cache_.FindActiveEntry(key);
-  if (entry)
-    return entry->headers_transaction;
-  return false;
-}
-
-int MockHttpCache::GetCountReaders(const std::string& key) {
-  HttpCache::ActiveEntry* entry = http_cache_.FindActiveEntry(key);
-  if (entry)
-    return entry->readers.size();
-  return false;
-}
-
-int MockHttpCache::GetCountAddToEntryQueue(const std::string& key) {
-  HttpCache::ActiveEntry* entry = http_cache_.FindActiveEntry(key);
-  if (entry)
-    return entry->add_to_entry_queue.size();
-  return false;
-}
-
-int MockHttpCache::GetCountDoneHeadersQueue(const std::string& key) {
-  HttpCache::ActiveEntry* entry = http_cache_.FindActiveEntry(key);
-  if (entry)
-    return entry->done_headers_queue.size();
-  return false;
 }
 
 //-----------------------------------------------------------------------------