Replace ObjCPropertyReleaser with ReleaseProperties() project-wide.

ios/chrome/browser/ui/tab_switcher/tab_switcher_transition_context.mm

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ios/chrome/browser/ui/tab_switcher/tab_switcher_transition_context.h"
 
-#include "base/mac/objc_property_releaser.h"
+#include "base/mac/objc_release_properties.h"
 #import "ios/chrome/browser/tabs/tab.h"
 #import "ios/chrome/browser/ui/browser_view_controller.h"
 #include "ios/chrome/browser/ui/tab_switcher/tab_switcher_transition_context.h"
 #import "ios/chrome/browser/ui/tabs/tab_strip_controller+tab_switcher_animation.h"
 #import "ios/chrome/browser/ui/tabs/tab_strip_controller.h"
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 
 @class BrowserViewController;
 
 @interface TabSwitcherTransitionContextContent () {
   base::scoped_nsobject<TabSwitcherTabStripPlaceholderView>
       _tabStripPlaceholderView;
   base::WeakNSObject<BrowserViewController> _bvc;
 }
 
 @end
 
-@implementation TabSwitcherTransitionContextContent {
-  base::mac::ObjCPropertyReleaser
-      _propertyReleaser_tabSwitcherTransitionContextContent;
-}
+@implementation TabSwitcherTransitionContextContent
 
 + (instancetype)tabSwitcherTransitionContextContentFromBVC:
     (BrowserViewController*)bvc {
   TabSwitcherTransitionContextContent* transitionContextContent =
       [[[TabSwitcherTransitionContextContent alloc] init] autorelease];
 
   Tab* currentTab = [[bvc tabModel] currentTab];
   transitionContextContent.initialSelectedTabIndex =
       [[bvc tabModel] indexOfTab:currentTab];
 
@@ skipping 18 matching lines @@
 }
 
 - (TabSwitcherTabStripPlaceholderView*)generateTabStripPlaceholderView {
   TabStripController* tsc = [_bvc tabStripController];
   return [tsc placeholderView];
 }
 
 @synthesize toolbarSnapshotView = _toolbarSnapshotView;
 @synthesize initialSelectedTabIndex = _initialSelectedTabIndex;
 
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _propertyReleaser_tabSwitcherTransitionContextContent.Init(
-        self, [TabSwitcherTransitionContextContent class]);
-  }
-  return self;
+- (void)dealloc {
+  base::mac::ReleaseProperties(self);
+  [super dealloc];
 }
 
 @end
 
-@implementation TabSwitcherTransitionContext {
-  base::mac::ObjCPropertyReleaser
-      _propertyReleaser_tabSwitcherTransitionContext;
-}
+@implementation TabSwitcherTransitionContext
 
 + (instancetype)
 tabSwitcherTransitionContextWithCurrent:(BrowserViewController*)currentBVC
                                 mainBVC:(BrowserViewController*)mainBVC
                                  otrBVC:(BrowserViewController*)otrBVC {
   TabSwitcherTransitionContext* transitionContext =
       [[[TabSwitcherTransitionContext alloc] init] autorelease];
   Tab* currentTab = [[currentBVC tabModel] currentTab];
   UIImage* tabSnapshotImage =
       [currentTab generateSnapshotWithOverlay:YES visibleFrameOnly:YES];
   [transitionContext setTabSnapshotImage:tabSnapshotImage];
   [transitionContext
       setIncognitoContent:
           [TabSwitcherTransitionContextContent
               tabSwitcherTransitionContextContentFromBVC:otrBVC]];
   [transitionContext
       setRegularContent:
           [TabSwitcherTransitionContextContent
               tabSwitcherTransitionContextContentFromBVC:mainBVC]];
   [transitionContext setInitialTabModel:currentBVC.tabModel];
   return transitionContext;
 }
 
 @synthesize tabSnapshotImage = _tabSnapshotImage;
 @synthesize incognitoContent = _incognitoContent;
 @synthesize regularContent = _regularContent;
 @synthesize initialTabModel = _initialTabModel;
 
-- (instancetype)init {
-  self = [super init];
-  if (self) {
-    _propertyReleaser_tabSwitcherTransitionContext.Init(
-        self, [TabSwitcherTransitionContext class]);
-  }
-  return self;
+- (void)dealloc {
+  base::mac::ReleaseProperties(self);
+  [super dealloc];
 }
 
 @end