[Android] Upstream ChromeBrowserProvider, the Android port ContentProvider implementation.

chrome/browser/android/provider/bookmark_model_observer_task.cc

+// Copyright (c) 2012 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/provider/bookmark_model_observer_task.h"
+
+#include "chrome/browser/bookmarks/bookmark_model.h"
+#include "content/public/browser/browser_thread.h"
+
+using content::BrowserThread;
+
+BookmarkModelTask::BookmarkModelTask(BookmarkModel* model)
+    : model_(model) {
+  // Ensure the initialization of the native bookmark model.
+  DCHECK(!BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK(model_);
+  model_->BlockTillLoaded();
+}
+
+BookmarkModel* BookmarkModelTask::model() const {
+  return model_;
+}
+
+BookmarkModelObserverTask::BookmarkModelObserverTask(
+    BookmarkModel* bookmark_model)
+    : BookmarkModelTask(bookmark_model) {
+  model()->AddObserver(this);
+}
+
+BookmarkModelObserverTask::~BookmarkModelObserverTask() {
+  model()->RemoveObserver(this);
+}
+
+void BookmarkModelObserverTask::Loaded(BookmarkModel* model,
+                                       bool ids_reassigned) {
+}
+
+void BookmarkModelObserverTask::BookmarkNodeMoved(
+    BookmarkModel* model,
+    const BookmarkNode* old_parent,
+    int old_index,
+    const BookmarkNode* new_parent,
+    int new_index) {
+}
+
+void BookmarkModelObserverTask::BookmarkNodeAdded(BookmarkModel* model,
+                                                  const BookmarkNode* parent,
+                                                  int index) {
+}
+
+void BookmarkModelObserverTask::BookmarkNodeRemoved(BookmarkModel* model,
+                                                    const BookmarkNode* parent,
+                                                    int old_index,
+                                                    const BookmarkNode* node) {
+}
+
+void BookmarkModelObserverTask::BookmarkNodeChanged(BookmarkModel* model,
+                                                    const BookmarkNode* node) {
+}
+
+void BookmarkModelObserverTask::BookmarkNodeFaviconChanged(
+    BookmarkModel* model,
+    const BookmarkNode* node) {
+}
+
+void BookmarkModelObserverTask::BookmarkNodeChildrenReordered(
+    BookmarkModel* model,
+    const BookmarkNode* node) {
+}