Replace ObjCPropertyReleaser with ReleaseProperties() project-wide.

ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.mm

Index: ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.mm
diff --git a/ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.mm b/ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.mm
index f95f24fed48ca37c2d3efcc69804b7a632a5e02b..0411e22111b4c0b15ae91caba53c6bd7fc2637a5 100644
--- a/ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.mm
+++ b/ios/chrome/browser/ui/omnibox/omnibox_text_field_ios.mm
@@ -10,7 +10,7 @@
 #include "base/ios/ios_util.h"
 #include "base/logging.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/grit/components_scaled_resources.h"
@@ -96,18 +96,13 @@ NSString* const kOmniboxFadeAnimationKey = @"OmniboxFadeAnimation";
   base::scoped_nsobject<NSString> _chipText;
   base::scoped_nsobject<UILabel> _selection;
   base::scoped_nsobject<UILabel> _preEditStaticLabel;
-  NSString* _preEditText;
   base::scoped_nsobject<UIFont> _font;
   base::scoped_nsobject<UIColor> _displayedTextColor;
   base::scoped_nsobject<UIColor> _displayedTintColor;
-  UIColor* _selectedTextBackgroundColor;
-  UIColor* _placeholderTextColor;
 
   // The 'Copy URL' menu item is sometimes shown in the edit menu, so keep it
   // around to make adding/removing easier.
   base::scoped_nsobject<UIMenuItem> _copyUrlMenuItem;
-
-  base::mac::ObjCPropertyReleaser _propertyReleaser_OmniboxTextFieldIOS;
 }
 
 @synthesize leftViewImageId = _leftViewImageId;
@@ -131,8 +126,6 @@ NSString* const kOmniboxFadeAnimationKey = @"OmniboxFadeAnimation";
                     tintColor:(UIColor*)tintColor {
   self = [super initWithFrame:frame];
   if (self) {
-    _propertyReleaser_OmniboxTextFieldIOS.Init(self,
-                                               [OmniboxTextFieldIOS class]);
     _font.reset([font retain]);
     _displayedTextColor.reset([textColor retain]);
     if (tintColor) {
@@ -164,6 +157,11 @@ NSString* const kOmniboxFadeAnimationKey = @"OmniboxFadeAnimation";
   return self;
 }
 
+- (void)dealloc {
+  base::mac::ReleaseProperties(self);
+  [super dealloc];
+}
+
 - (instancetype)initWithCoder:(nonnull NSCoder*)aDecoder {
   NOTREACHED();
   return nil;