Avoid conversion of index to BookmarkNode pointer unnacessarily.

chrome/browser/android/bookmarks/bookmarks_bridge.cc

 // 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 "chrome/browser/android/bookmarks/bookmarks_bridge.h"
 
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/containers/stack_container.h"
 #include "base/i18n/string_compare.h"
@@ skipping 600 matching lines @@
   const BookmarkNode* node = GetNodeByID(bookmark_id, type);
   if (!IsEditable(node)) {
     NOTREACHED();
     return;
   }
 
   if (partner_bookmarks_shim_->IsPartnerBookmark(node)) {
     partner_bookmarks_shim_->RemoveBookmark(node);
   } else {
     const BookmarkNode* parent_node = GetParentNode(node);
-    bookmark_model_->Remove(parent_node, parent_node->GetIndexOf(node));
+    bookmark_model_->Remove(parent_node, node);
   }
 }
 
 void BookmarksBridge::MoveBookmark(JNIEnv* env,
                                    jobject obj,
                                    jobject j_bookmark_id_obj,
                                    jobject j_parent_id_obj,
                                    jint index) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(IsLoaded());
@@ skipping 402 matching lines @@
   BookmarkModelChanged();
 }
 
 void BookmarksBridge::PartnerShimLoaded(PartnerBookmarksShim* shim) {
   NotifyIfDoneLoading();
 }
 
 void BookmarksBridge::ShimBeingDeleted(PartnerBookmarksShim* shim) {
   partner_bookmarks_shim_ = NULL;
 }