Delay bookmarks load while the profile is loading.

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 7faecf0058a6eea84484daa9bcfe70c0729a0ba2..e0645bc49446e4454c43b76d38032145b093d6a5 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -8,6 +8,7 @@
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
+#include "base/deferred_sequenced_task_runner.h"
 #include "base/environment.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ -345,7 +346,6 @@ ProfileImpl::ProfileImpl(
       predictor_(NULL) {
   DCHECK(!path.empty()) << "Using an empty path will attempt to write " <<
                             "profile files to the root directory!";
-
 #if defined(ENABLE_SESSION_SERVICE)
   create_session_service_timer_.Start(FROM_HERE,
       TimeDelta::FromMilliseconds(kCreateSessionServiceDelayMS), this,
@@ -663,6 +663,15 @@ scoped_refptr<base::SequencedTaskRunner> ProfileImpl::GetIOTaskRunner() {
       GetPath(), BrowserThread::GetBlockingPool());
 }
 
+scoped_refptr<base::DeferredSequencedTaskRunner>
+    ProfileImpl::GetBookmarksTaskRunner() {
+  if (!bookmarks_task_runner_) {
+    bookmarks_task_runner_ =
+        new base::DeferredSequencedTaskRunner(GetIOTaskRunner());
+  }
+  return bookmarks_task_runner_;
+}
+
 bool ProfileImpl::IsOffTheRecord() const {
   return false;
 }