Replace ObjCPropertyReleaser with ReleaseProperties() project-wide.

ios/chrome/browser/ui/first_run/welcome_to_chrome_view_controller.mm

Index: ios/chrome/browser/ui/first_run/welcome_to_chrome_view_controller.mm
diff --git a/ios/chrome/browser/ui/first_run/welcome_to_chrome_view_controller.mm b/ios/chrome/browser/ui/first_run/welcome_to_chrome_view_controller.mm
index 445438c6e588b55b55874d826cc6e5bca95faacd..6e05a837de24fe2fffde7b7463b5494fe2fdf2ce 100644
--- a/ios/chrome/browser/ui/first_run/welcome_to_chrome_view_controller.mm
+++ b/ios/chrome/browser/ui/first_run/welcome_to_chrome_view_controller.mm
@@ -9,7 +9,7 @@
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/foundation_util.h"
-#include "base/mac/objc_property_releaser.h"
+#include "base/mac/objc_release_properties.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/strings/sys_string_conversions.h"
 #include "components/metrics/metrics_pref_names.h"
@@ -48,8 +48,6 @@ const BOOL kDefaultStatsCheckboxValue = YES;
 @interface WelcomeToChromeViewController ()<WelcomeToChromeViewDelegate> {
   ios::ChromeBrowserState* browserState_;  // weak
   TabModel* tabModel_;                     // weak
-  base::mac::ObjCPropertyReleaser
-      propertyReleaser_WelcomeToChromeViewController_;
 }
 
 // The animation which occurs at launch has run.
@@ -81,8 +79,6 @@ const BOOL kDefaultStatsCheckboxValue = YES;
   if (self) {
     browserState_ = browserState;
     tabModel_ = tabModel;
-    propertyReleaser_WelcomeToChromeViewController_.Init(
-        self, [WelcomeToChromeViewController class]);
   }
   return self;
 }
@@ -98,6 +94,11 @@ const BOOL kDefaultStatsCheckboxValue = YES;
   return nil;
 }
 
+- (void)dealloc {
+  base::mac::ReleaseProperties(self);
+  [super dealloc];
+}
+
 - (void)loadView {
   base::scoped_nsobject<WelcomeToChromeView> welcomeToChromeView(
       [[WelcomeToChromeView alloc] initWithFrame:CGRectZero]);