Don't include ERR_ABORTED in net error histogram

chrome/browser/renderer_host/resource_dispatcher_host.cc

Index: chrome/browser/renderer_host/resource_dispatcher_host.cc
diff --git a/chrome/browser/renderer_host/resource_dispatcher_host.cc b/chrome/browser/renderer_host/resource_dispatcher_host.cc
index 9a4953e74b5dd38d58bee3b000ddf5e39292aaea..19432131e89bce6d07b3ac9edccaf64b00cf675b 100644
--- a/chrome/browser/renderer_host/resource_dispatcher_host.cc
+++ b/chrome/browser/renderer_host/resource_dispatcher_host.cc
@@ -1491,7 +1491,8 @@ void ResourceDispatcherHost::OnResponseCompleted(net::URLRequest* request) {
   // If the load for a main frame has failed, track it in a histogram,
   // since it will probably cause the user to see an error page.
   if (!request->status().is_success() &&
-      info->resource_type() == ResourceType::MAIN_FRAME) {
+      info->resource_type() == ResourceType::MAIN_FRAME &&
+      request->status().os_error() != net::ERR_ABORTED) {
     UMA_HISTOGRAM_CUSTOM_ENUMERATION("Net.ErrorCodesForMainFrame",
                                      -request->status().os_error(),
                                      GetAllNetErrorCodes());