Extracted NetLog class's inner enum types into their own enum classes and

net/log/trace_net_log_observer.cc

 // Copyright 2014 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/log/trace_net_log_observer.h"
 
 #include <stdio.h>
 
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/json/json_writer.h"
 #include "base/logging.h"
 #include "base/trace_event/trace_event.h"
 #include "base/values.h"
 #include "net/log/net_log.h"
+#include "net/log/net_log_event_type.h"
 
 namespace net {
 
 namespace {
 
 // TraceLog category for NetLog events.
 const char kNetLogTracingCategory[] = "netlog";
 
 class TracedValue : public base::trace_event::ConvertableToTraceFormat {
  public:
@@ skipping 23 matching lines @@
 }
 
 TraceNetLogObserver::~TraceNetLogObserver() {
   DCHECK(!net_log_to_watch_);
   DCHECK(!net_log());
 }
 
 void TraceNetLogObserver::OnAddEntry(const NetLog::Entry& entry) {
   std::unique_ptr<base::Value> params(entry.ParametersToValue());
   switch (entry.phase()) {
-    case NetLog::PHASE_BEGIN:
+    case NetLogEventPhase::BEGIN:
       TRACE_EVENT_NESTABLE_ASYNC_BEGIN2(
           kNetLogTracingCategory, NetLog::EventTypeToString(entry.type()),
           entry.source().id, "source_type",
           NetLog::SourceTypeToString(entry.source().type), "params",
           std::unique_ptr<base::trace_event::ConvertableToTraceFormat>(
               new TracedValue(std::move(params))));
       break;
-    case NetLog::PHASE_END:
+    case NetLogEventPhase::END:
       TRACE_EVENT_NESTABLE_ASYNC_END2(
           kNetLogTracingCategory, NetLog::EventTypeToString(entry.type()),
           entry.source().id, "source_type",
           NetLog::SourceTypeToString(entry.source().type), "params",
           std::unique_ptr<base::trace_event::ConvertableToTraceFormat>(
               new TracedValue(std::move(params))));
       break;
-    case NetLog::PHASE_NONE:
+    case NetLogEventPhase::NONE:
       TRACE_EVENT_NESTABLE_ASYNC_INSTANT2(
           kNetLogTracingCategory, NetLog::EventTypeToString(entry.type()),
           entry.source().id, "source_type",
           NetLog::SourceTypeToString(entry.source().type), "params",
           std::unique_ptr<base::trace_event::ConvertableToTraceFormat>(
               new TracedValue(std::move(params))));
       break;
   }
 }
 
@@ skipping 16 matching lines @@
 void TraceNetLogObserver::OnTraceLogEnabled() {
   net_log_to_watch_->DeprecatedAddObserver(this, NetLogCaptureMode::Default());
 }
 
 void TraceNetLogObserver::OnTraceLogDisabled() {
   if (net_log())
     net_log()->DeprecatedRemoveObserver(this);
 }
 
 }  // namespace net