Title: Same Bookmark url is getting pasted on the Bookmarkbar with same title.

components/bookmarks/browser/bookmark_utils.cc

Index: components/bookmarks/browser/bookmark_utils.cc
diff --git a/components/bookmarks/browser/bookmark_utils.cc b/components/bookmarks/browser/bookmark_utils.cc
index 304d2befbd07d5b36d3286e8b1e24010a393f884..3f64014c17b0675df1327eeb0b9c34530e60d6e1 100644
--- a/components/bookmarks/browser/bookmark_utils.cc
+++ b/components/bookmarks/browser/bookmark_utils.cc
@@ -12,6 +12,7 @@
 #include "base/i18n/string_search.h"
 #include "base/metrics/user_metrics_action.h"
 #include "base/prefs/pref_service.h"
+#include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "components/bookmarks/browser/bookmark_client.h"
@@ -201,6 +202,33 @@ void PasteFromClipboard(BookmarkModel* model,
   if (index == -1)
     index = parent->child_count();
   ScopedGroupBookmarkActions group_paste(model);
+
+  if (bookmark_data.elements.size() == 1 &&
+      model->IsBookmarked(bookmark_data.elements[0].url)) {
+    std::vector<const BookmarkNode*> nodes;
+    std::vector<base::string16> titles;
+    std::vector<base::string16>::iterator it;
+    base::string16 new_title = bookmark_data.elements[0].title;
+    model->GetNodesByURLAndTitle(bookmark_data.elements[0].url,
+                                 bookmark_data.elements[0].title,
+                                 parent,
+                                 &nodes,
+                                 &titles);
+    size_t i = 0;
+    it = std::find(titles.begin(), titles.end(), new_title);
+    if (it == titles.end()) {
+      new_title = bookmark_data.elements[0].title;
+    } else {
+      for (i = 0; i < nodes.size(); i++) {
+        new_title = bookmark_data.elements[0].title + base::UTF8ToUTF16("(") +
+                    base::IntToString16(i + 1) + base::UTF8ToUTF16(")");
+        it = std::find(titles.begin(), titles.end(), new_title);
+        if (it == titles.end())
+          break;
+      }
+    }
+    bookmark_data.elements[0].title = new_title;
+  }
   CloneBookmarkNode(model, bookmark_data.elements, parent, index, true);
 }