Change histogram.h includes to histogram_macros.h in net/
Also removes a number of histogram.h includes that are apparently
unused.
BUG=416479
Review URL: https://codereview.chromium.org/1187813006
Cr-Commit-Position: refs/heads/master@{#334825}
diff --git a/net/url_request/url_request_http_job.cc b/net/url_request/url_request_http_job.cc
index 9e0cfde..d177c21 100644
--- a/net/url_request/url_request_http_job.cc
+++ b/net/url_request/url_request_http_job.cc
@@ -12,7 +12,7 @@
#include "base/file_version_info.h"
#include "base/location.h"
#include "base/metrics/field_trial.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
#include "base/profiler/scoped_tracker.h"
#include "base/rand_util.h"
#include "base/single_thread_task_runner.h"
