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

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

Index: ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller_unittest.mm
diff --git a/ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller_unittest.mm b/ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller_unittest.mm
index 1125bb9861ad064e65ec0fef79064bea178a2a28..c26bb574e7d675318d408ccdabd6be0f90d88e69 100644
--- a/ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller_unittest.mm
+++ b/ios/chrome/browser/ui/bookmarks/bookmark_home_view_controller_unittest.mm
@@ -40,41 +40,43 @@ 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");
-
-  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);
-
-  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];
-
-  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());
+  @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");
+
+    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()]);
+
+    [controller resetEditNodes];
+    [controller insertEditNode:f1 atIndexPath:nil];
+    [controller insertEditNode:a atIndexPath:nil];
+    [controller insertEditNode:f2 atIndexPath:nil];
+
+    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());
+  }
 }
 
 }  // anonymous namespace