IWYU fixes in /chrome/installer.

base/win/registry.h includes more than it uses. These files were
inadvertently relying on that fact. This CL adds missing includes so
that registry.h can be cleaned up.

BUG=None
This CL was uploaded by git cl split.

R=gab@chromium.org

Change-Id: I1ed6961a801d4c1a15b322003c35bf45735db8d1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2475054
Commit-Queue: Robert Liao <robliao@chromium.org>
Reviewed-by: Robert Liao <robliao@chromium.org>
Auto-Submit: Greg Thompson <grt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#817973}

chrome/installer/setup/user_hive_visitor_unittest.cc

@@ -7,6 +7,7 @@
 #include <vector>
 
 #include "base/bind.h"
+#include "base/callback.h"
 #include "base/macros.h"
 #include "base/strings/string16.h"
 #include "base/win/registry.h"

chrome/installer/util/beacons.cc

@@ -6,6 +6,7 @@
 
 #include <stdint.h>
 
+#include "base/notreached.h"
 #include "base/win/registry.h"
 #include "base/win/win_util.h"
 #include "chrome/install_static/install_details.h"

chrome/installer/util/install_util.cc

@@ -13,10 +13,13 @@
 #include <algorithm>
 #include <iterator>
 
+#include "base/check.h"
+#include "base/check_op.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/notreached.h"
 #include "base/path_service.h"
 #include "base/process/launch.h"
 #include "base/stl_util.h"

chrome/installer/util/registry_entry.cc

@@ -5,6 +5,7 @@
 #include "chrome/installer/util/registry_entry.h"
 
 #include "base/check.h"
+#include "base/numerics/safe_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/win/registry.h"
 #include "chrome/installer/util/work_item.h"

chrome/installer/util/registry_key_backup.cc

@@ -11,6 +11,7 @@
 #include <utility>
 #include <vector>
 
+#include "base/check.h"
 #include "base/logging.h"
 #include "base/win/registry.h"