iwyu: Include stringprintf.h where appropriate, part 3.

chrome/test/live_sync/multiple_client_live_bookmarks_sync_test.cc

Index: chrome/test/live_sync/multiple_client_live_bookmarks_sync_test.cc
diff --git a/chrome/test/live_sync/multiple_client_live_bookmarks_sync_test.cc b/chrome/test/live_sync/multiple_client_live_bookmarks_sync_test.cc
index f6931e02f0a596eaa48c9a63713dc8f2a5166a01..541a7481c32384d8b6d5202d799b14480acf02ad 100644
--- a/chrome/test/live_sync/multiple_client_live_bookmarks_sync_test.cc
+++ b/chrome/test/live_sync/multiple_client_live_bookmarks_sync_test.cc
@@ -4,14 +4,14 @@
 
 #include "chrome/test/live_sync/live_bookmarks_sync_test.h"
 
-#include "base/string_util.h"
+#include "base/stringprintf.h"
 #include "chrome/browser/profiles/profile.h"
 
 IN_PROC_BROWSER_TEST_F(MultipleClientLiveBookmarksSyncTest, Sanity) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
   DisableVerifier();
   for (int i = 0; i < num_clients(); ++i) {
-    ASSERT_TRUE(AddURL(i, StringPrintf(L"Google URL %d", i),
+    ASSERT_TRUE(AddURL(i, base::StringPrintf(L"Google URL %d", i),
         GURL(StringPrintf("http://www.google.com/%d", i))) != NULL);
   }
   ASSERT_TRUE(AwaitQuiescence());