[Tests not passing yet] Remove prerender sessionStorage namespace merging.

chrome/browser/prerender/prerender_events.cc

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/prerender/prerender_events.h"
-
-#include "base/basictypes.h"
-#include "base/logging.h"
-
-namespace prerender {
-
-namespace {
-
-const char* kEventNames[] = {
-  "swapin no delegate",
-  "swapin candidate",
-  "swapin candidate namespace matches",
-  "swapin no merge pending",
-  "swapin merging disabled",
-  "swapin issuing merge",
-  "swapin merge for swapin candidate",
-  "merge result no pending swapin",
-  "merge result timeout cb",
-  "merge result result cb",
-  "merge result timed out",
-  "merge result merge done",
-  "merge result result namespace not found",
-  "merge result result namespace not alias",
-  "merge result result not logging",
-  "merge result result no transactions",
-  "merge result result too many transactions",
-  "merge result result not mergeable",
-  "merge result result mergeable",
-  "merge result merge failed",
-  "merge result swapping in",
-  "merge result swapin successful",
-  "merge result swapin failed",
-  "Max",
-};
-
-COMPILE_ASSERT(arraysize(kEventNames) == PRERENDER_EVENT_MAX + 1,
-               PrerenderEvent_name_count_mismatch);
-
-}  // namespace
-
-const char* NameFromPrerenderEvent(PrerenderEvent event) {
-  DCHECK(static_cast<int>(event) >= 0 &&
-         event <= PRERENDER_EVENT_MAX);
-  return kEventNames[event];
-}
-
-}  // namespace prerender