Add stats collection for telemetry startup.warm.blank_page test.

components/startup_metric_utils/startup_metric_utils.cc

 // Copyright 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 "components/startup_metric_utils/startup_metric_utils.h"
 
 #include "base/containers/hash_tables.h"
 #include "base/environment.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 214 matching lines @@
   MainEntryPointTimeInternal();
 }
 
 void RecordExeMainEntryTime() {
   std::string exe_load_time =
       base::Int64ToString(base::Time::Now().ToInternalValue());
   scoped_ptr<base::Environment> env(base::Environment::Create());
   env->SetVar(kChromeMainTimeEnvVar, exe_load_time);
 }
 
-#if defined(OS_ANDROID)
 void RecordSavedMainEntryPointTime(const base::Time& entry_point_time) {
   DCHECK(!g_main_entry_time_was_recorded);
   g_main_entry_time_was_recorded = true;
   *MainEntryPointTimeInternal() = entry_point_time;
 }
-#endif // OS_ANDROID
 
 // Return the time recorded by RecordMainEntryPointTime().
 const base::Time MainEntryStartTime() {
   DCHECK(g_main_entry_time_was_recorded);
   return *MainEntryPointTimeInternal();
 }
 
 void OnBrowserStartupComplete(bool is_first_run) {
   RecordHardFaultHistogram(is_first_run);
   RecordMainEntryTimeHistogram();
@@ skipping 59 matching lines @@
 #endif
 }
 
 const base::Time* MainEntryPointTime() {
   if (!g_main_entry_time_was_recorded)
     return NULL;
   return MainEntryPointTimeInternal();
 }
 
 }  // namespace startup_metric_utils