chrome/browser/prerender/prerender_origin.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/prerender/prerender_origin.h"
   6
   7 #include "base/metrics/histogram.h"
   8 #include "chrome/browser/prerender/prerender_manager.h"
   9
  10 namespace prerender {
  11
  12 namespace {
  13
  14 const char* kOriginNames[] = {
  15   "[Deprecated] Link Rel Prerender (original)",
  16   "[Deprecated] Omnibox (original)",
  17   "GWS Prerender",
  18   "[Deprecated] Omnibox (conservative)",
  19   "[Deprecated] Omnibox (exact)",
  20   "Omnibox",
  21   "None",
  22   "Link Rel Prerender (same domain)",
  23   "Link Rel Prerender (cross domain)",
  24   "Local Predictor",
  25   "External Request",
  26   "Instant",
  27   "Max",
  28 };
  29 COMPILE_ASSERT(arraysize(kOriginNames) == ORIGIN_MAX + 1,
  30                PrerenderOrigin_name_count_mismatch);
  31
  32 }  // namespace
  33
  34 const char* NameFromOrigin(Origin origin) {
  35   DCHECK(static_cast<int>(origin) >= 0 &&
  36          origin <= ORIGIN_MAX);
  37   return kOriginNames[origin];
  38 }
  39
  40 }  // namespace prerender