Add bookmark promo to NTP on first run.

chrome/browser/dom_ui/tips_handler.cc

Index: chrome/browser/dom_ui/tips_handler.cc
===================================================================
--- chrome/browser/dom_ui/tips_handler.cc	(revision 52977)
+++ chrome/browser/dom_ui/tips_handler.cc	(working copy)
@@ -54,6 +54,17 @@
     }
   }
 
+  // If the user has just started using Chrome with a fresh profile, send only
+  // the "Import bookmarks" promo until the user has either seen it five times
+  // or added or imported bookmarks.
+  if (current_prefs->GetInteger(prefs::kNTPPromoViewsRemaining) > 0) {
+    SendTip(WideToUTF8(l10n_util::GetStringF(IDS_IMPORT_BOOKMARKS_PROMO,
+        std::wstring(L"<button class='link'>"),
+        std::wstring(L"</button>"))),
+        L"set_promo_tip", 0);
+    return;
+  }
+
   if (tips_cache_ != NULL && !tips_cache_->empty()) {
     if (tips_cache_->GetInteger(
         WebResourceService::kCurrentTipPrefName, &current_tip_index) &&