Delay bookmarks load while the profile is loading.

chrome/browser/bookmarks/bookmark_model.cc

Index: chrome/browser/bookmarks/bookmark_model.cc
diff --git a/chrome/browser/bookmarks/bookmark_model.cc b/chrome/browser/bookmarks/bookmark_model.cc
index 52533b4c2be72210353f7fc5c17cb7d33441eae5..0e392c8550775dceea184f82d98804841b1f5990 100644
--- a/chrome/browser/bookmarks/bookmark_model.cc
+++ b/chrome/browser/bookmarks/bookmark_model.cc
@@ -233,7 +233,7 @@ void BookmarkModel::Shutdown() {
   loaded_signal_.Signal();
 }
 
-void BookmarkModel::Load() {
+void BookmarkModel::Load(scoped_refptr<base::SequencedTaskRunner> task_runner) {
   if (store_.get()) {
     // If the store is non-null, it means Load was already invoked. Load should
     // only be invoked once.
@@ -250,7 +250,7 @@ void BookmarkModel::Load() {
                  content::Source<Profile>(profile_));
 
   // Load the bookmarks. BookmarkStorage notifies us when done.
-  store_ = new BookmarkStorage(profile_, this, profile_->GetIOTaskRunner());
+  store_ = new BookmarkStorage(profile_, this, task_runner);
   store_->LoadBookmarks(CreateLoadDetails());
 }