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

content/browser/appcache/appcache_url_request_job.cc

Index: content/browser/appcache/appcache_url_request_job.cc
diff --git a/content/browser/appcache/appcache_url_request_job.cc b/content/browser/appcache/appcache_url_request_job.cc
index 58fededa02293b6461961b6c3854500d8ee1f10d..b91790cebb85efac51177f4507f8a1bbc066131c 100644
--- a/content/browser/appcache/appcache_url_request_job.cc
+++ b/content/browser/appcache/appcache_url_request_job.cc
@@ -26,6 +26,7 @@
 #include "net/http/http_response_headers.h"
 #include "net/http/http_util.h"
 #include "net/log/net_log.h"
+#include "net/log/net_log_event_type.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_status.h"
 
@@ -121,7 +122,7 @@ void AppCacheURLRequestJob::BeginDelivery() {
       AppCacheHistograms::AddErrorJobStartDelaySample(
           base::TimeTicks::Now() - start_time_tick_);
       request()->net_log().AddEvent(
-          net::NetLog::TYPE_APPCACHE_DELIVERING_ERROR_RESPONSE);
+          net::NetLogEventType::APPCACHE_DELIVERING_ERROR_RESPONSE);
       NotifyStartError(net::URLRequestStatus(net::URLRequestStatus::FAILED,
                                              net::ERR_FAILED));
       break;
@@ -135,8 +136,8 @@ void AppCacheURLRequestJob::BeginDelivery() {
           base::TimeTicks::Now() - start_time_tick_);
       request()->net_log().AddEvent(
           is_fallback_ ?
-              net::NetLog::TYPE_APPCACHE_DELIVERING_FALLBACK_RESPONSE :
-              net::NetLog::TYPE_APPCACHE_DELIVERING_CACHED_RESPONSE);
+              net::NetLogEventType::APPCACHE_DELIVERING_FALLBACK_RESPONSE :
+              net::NetLogEventType::APPCACHE_DELIVERING_CACHED_RESPONSE);
       storage_->LoadResponseInfo(manifest_url_, entry_.response_id(), this);
       break;
 
@@ -155,7 +156,7 @@ void AppCacheURLRequestJob::BeginExecutableHandlerDelivery() {
   }
 
   request()->net_log().AddEvent(
-      net::NetLog::TYPE_APPCACHE_DELIVERING_EXECUTABLE_RESPONSE);
+      net::NetLogEventType::APPCACHE_DELIVERING_EXECUTABLE_RESPONSE);
 
   // We defer job delivery until the executable handler is spun up and
   // provides a response. The sequence goes like this...