added export of tabs collection (#1177)

build/patches/Add-menu-item-to-bookmark-all-tabs.patch

@@ -9,6 +9,7 @@ Subject: Add menu item to bookmark all tabs
  .../browser/bookmarks/BookmarkUtils.java      |  4 ++
  .../android/bookmarks/bookmark_bridge.cc      | 17 ++++++
  .../android/bookmarks/bookmark_bridge.h       |  4 ++
+ .../browser/bookmarks/bookmark_html_writer.cc | 10 +++
  .../bookmarks/chrome_bookmark_client.cc       |  2 +
  .../strings/android_chrome_strings.grd        |  3 +
  components/bookmark_bar_strings.grdp          |  6 ++
@@ -21,7 +22,7 @@ Subject: Add menu item to bookmark all tabs
  components/bookmarks/browser/bookmark_node.cc | 13 ++++
  components/bookmarks/browser/bookmark_node.h  |  5 ++
  components/bookmarks/browser/model_loader.cc  |  3 +-
- 18 files changed, 191 insertions(+), 7 deletions(-)
+ 19 files changed, 201 insertions(+), 7 deletions(-)
 
 diff --git a/chrome/android/java/res/menu/main_menu.xml b/chrome/android/java/res/menu/main_menu.xml
 --- a/chrome/android/java/res/menu/main_menu.xml
@@ -286,6 +287,33 @@ diff --git a/chrome/browser/android/bookmarks/bookmark_bridge.h b/chrome/browser
    base::android::ScopedJavaLocalRef<jobject> GetOtherFolderId(
        JNIEnv* env,
        const base::android::JavaParamRef<jobject>& obj);
+diff --git a/chrome/browser/bookmarks/bookmark_html_writer.cc b/chrome/browser/bookmarks/bookmark_html_writer.cc
+--- a/chrome/browser/bookmarks/bookmark_html_writer.cc
++++ b/chrome/browser/bookmarks/bookmark_html_writer.cc
+@@ -212,6 +212,14 @@ class Writer : public base::RefCountedThreadSafe<Writer> {
+       return;
+     }
+ 
++    base::Value* tabs_collection_value = nullptr;
++    if (roots_d_value->Get(BookmarkCodec::kTabsBookmarkFolderNameKey,
++                            &tabs_collection_value) &&
++        tabs_collection_value->type() == base::Value::Type::DICTIONARY) {
++      WriteNode(*static_cast<base::DictionaryValue*>(tabs_collection_value),
++                BookmarkNode::TABS_COLLECTION);
++    }
++
+     DecrementIndent();
+ 
+     Write(kFolderChildrenEnd);
+@@ -484,6 +492,8 @@ void BookmarkFaviconFetcher::ExportBookmarks() {
+       BookmarkModelFactory::GetForBrowserContext(profile_)->other_node());
+   ExtractUrls(
+       BookmarkModelFactory::GetForBrowserContext(profile_)->mobile_node());
++  ExtractUrls(
++      BookmarkModelFactory::GetForBrowserContext(profile_)->tabs_collection_node());
+   if (!bookmark_urls_.empty())
+     FetchNextFavicon();
+   else
 diff --git a/chrome/browser/bookmarks/chrome_bookmark_client.cc b/chrome/browser/bookmarks/chrome_bookmark_client.cc
 --- a/chrome/browser/bookmarks/chrome_bookmark_client.cc
 +++ b/chrome/browser/bookmarks/chrome_bookmark_client.cc