[ObjC ARC] Converts ios/chrome/browser/ui/bookmarks:bookmarks to ARC.

ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller_unittest.mm

 // Copyright 2013 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 "base/mac/scoped_nsobject.h"
 #include "components/bookmarks/browser/bookmark_model.h"
 #import "ios/chrome/browser/browser_state/test_chrome_browser_state.h"
 #import "ios/chrome/browser/ui/bookmarks/bookmark_home_handset_view_controller.h"
 #include "ios/chrome/browser/ui/bookmarks/bookmark_ios_unittest.h"
 #import "ios/chrome/browser/ui/bookmarks/bookmark_promo_controller.h"
@@ skipping 22 matching lines @@
 - (void)loadImageService {
   // Do nothing.
 }
 @end
 
 namespace {
 
 using BookmarkHomeViewControllerTest = BookmarkIOSUnitTest;
 
 TEST_F(BookmarkHomeViewControllerTest, DeleteNodesUpdatesEditNodes) {
-  const BookmarkNode* mobileNode = _bookmarkModel->mobile_node();
-  const BookmarkNode* f1 = AddFolder(mobileNode, @"f1");
-  const BookmarkNode* a = AddBookmark(mobileNode, @"a");
-  const BookmarkNode* b = AddBookmark(mobileNode, @"b");
-  const BookmarkNode* f2 = AddFolder(mobileNode, @"f2");
+  @autoreleasepool {
+    const BookmarkNode* mobileNode = _bookmarkModel->mobile_node();
+    const BookmarkNode* f1 = AddFolder(mobileNode, @"f1");
+    const BookmarkNode* a = AddBookmark(mobileNode, @"a");
+    const BookmarkNode* b = AddBookmark(mobileNode, @"b");
+    const BookmarkNode* f2 = AddFolder(mobileNode, @"f2");
 
-  const BookmarkNode* f1a = AddBookmark(f1, @"f1a");
-  AddBookmark(f1, @"f1b");
-  AddBookmark(f1, @"f1c");
-  const BookmarkNode* f2a = AddBookmark(f2, @"f2a");
-  AddBookmark(f2, @"f2b");
+    const BookmarkNode* f1a = AddBookmark(f1, @"f1a");
+    AddBookmark(f1, @"f1b");
+    AddBookmark(f1, @"f1c");
+    const BookmarkNode* f2a = AddBookmark(f2, @"f2a");
+    AddBookmark(f2, @"f2b");
 
-  std::set<const BookmarkNode*> toDelete;
-  toDelete.insert(b);
-  toDelete.insert(f1a);
-  toDelete.insert(f1);
-  toDelete.insert(f2a);
+    std::set<const BookmarkNode*> toDelete;
+    toDelete.insert(b);
+    toDelete.insert(f1a);
+    toDelete.insert(f1);
+    toDelete.insert(f2a);
 
-  base::scoped_nsobject<MockBookmarkHomeHandsetViewController> controller(
-      [[MockBookmarkHomeHandsetViewController alloc]
-          initWithLoader:nil
-            browserState:chrome_browser_state_.get()]);
+    base::scoped_nsobject<MockBookmarkHomeHandsetViewController> controller(
+        [[MockBookmarkHomeHandsetViewController alloc]
+            initWithLoader:nil
+              browserState:chrome_browser_state_.get()]);
 
-  [controller resetEditNodes];
-  [controller insertEditNode:f1 atIndexPath:nil];
-  [controller insertEditNode:a atIndexPath:nil];
-  [controller insertEditNode:f2 atIndexPath:nil];
+    [controller resetEditNodes];
+    [controller insertEditNode:f1 atIndexPath:nil];
+    [controller insertEditNode:a atIndexPath:nil];
+    [controller insertEditNode:f2 atIndexPath:nil];
 
-  bookmark_utils_ios::DeleteBookmarks(toDelete, _bookmarkModel);
+    bookmark_utils_ios::DeleteBookmarks(toDelete, _bookmarkModel);
 
-  // After the deletion, only 'a' and 'f2' should be left.
-  std::set<const BookmarkNode*> editingNodes = [controller editNodes];
-  EXPECT_EQ(editingNodes.size(), 2u);
-  EXPECT_TRUE(editingNodes.find(a) != editingNodes.end());
-  EXPECT_TRUE(editingNodes.find(f2) != editingNodes.end());
+    // After the deletion, only 'a' and 'f2' should be left.
+    std::set<const BookmarkNode*> editingNodes = [controller editNodes];
+    EXPECT_EQ(editingNodes.size(), 2u);
+    EXPECT_TRUE(editingNodes.find(a) != editingNodes.end());
+    EXPECT_TRUE(editingNodes.find(f2) != editingNodes.end());
+  }
 }
 
 }  // anonymous namespace