Refactor BrowsingDataRemover creation for clarity.

chrome/browser/prerender/prerender_browsertest.cc

Index: chrome/browser/prerender/prerender_browsertest.cc
diff --git a/chrome/browser/prerender/prerender_browsertest.cc b/chrome/browser/prerender/prerender_browsertest.cc
index 00dce07cdbf37db346c536c71502382ec496324d..f9052c8ed9eefd62bf65755076bf07c7c83ae991 100644
--- a/chrome/browser/prerender/prerender_browsertest.cc
+++ b/chrome/browser/prerender/prerender_browsertest.cc
@@ -100,9 +100,7 @@ std::string CreateServerRedirect(const std::string& dest_url) {
 // Clears the specified data using BrowsingDataRemover.
 void ClearBrowsingData(Browser* browser, int remove_mask) {
   BrowsingDataRemover* remover =
-      new BrowsingDataRemover(browser->profile(),
-                              BrowsingDataRemover::EVERYTHING,
-                              base::Time::Now());
+      BrowsingDataRemover::CreateForUnboundedRange(browser->profile());
   remover->Remove(remove_mask, BrowsingDataHelper::UNPROTECTED_WEB);
   // BrowsingDataRemover deletes itself.
 }