Remove v1 of Startup.FirstWebContents.* stats deprecated in M48.

components/startup_metric_utils/browser/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/browser/startup_metric_utils.h"
 
 #include "base/containers/hash_tables.h"
 #include "base/environment.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 450 matching lines @@
     return;
   is_first_call = false;
   if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
     return;
 
   UMA_HISTOGRAM_AND_TRACE_WITH_STARTUP_TEMPERATURE(
       UMA_HISTOGRAM_LONG_TIMES_100, "Startup.FirstWebContents.MainFrameLoad2",
       g_process_creation_ticks.Get(), ticks);
 }
 
-void RecordDeprecatedFirstWebContentsMainFrameLoad(
-    const base::TimeTicks& ticks) {
-  static bool is_first_call = true;
-  if (!is_first_call || ticks.is_null())
-    return;
-  is_first_call = false;
-  if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
-    return;
-
-  UMA_HISTOGRAM_WITH_STARTUP_TEMPERATURE(
-      UMA_HISTOGRAM_LONG_TIMES_100, "Startup.FirstWebContents.MainFrameLoad",
-      ticks - g_process_creation_ticks.Get());
-}
-
 void RecordFirstWebContentsNonEmptyPaint(const base::TimeTicks& ticks) {
   static bool is_first_call = true;
   if (!is_first_call || ticks.is_null())
     return;
   is_first_call = false;
   if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
     return;
 
   UMA_HISTOGRAM_AND_TRACE_WITH_STARTUP_TEMPERATURE(
       UMA_HISTOGRAM_LONG_TIMES_100, "Startup.FirstWebContents.NonEmptyPaint2",
       g_process_creation_ticks.Get(), ticks);
 }
 
-void RecordDeprecatedFirstWebContentsNonEmptyPaint(
-    const base::TimeTicks& ticks) {
-  static bool is_first_call = true;
-  if (!is_first_call || ticks.is_null())
-    return;
-  is_first_call = false;
-  if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
-    return;
-
-  UMA_HISTOGRAM_WITH_STARTUP_TEMPERATURE(
-      UMA_HISTOGRAM_LONG_TIMES_100, "Startup.FirstWebContents.NonEmptyPaint",
-      ticks - g_process_creation_ticks.Get());
-}
-
 void RecordFirstWebContentsMainNavigationStart(const base::TimeTicks& ticks) {
   static bool is_first_call = true;
   if (!is_first_call || ticks.is_null())
     return;
   is_first_call = false;
   if (WasNonBrowserUIDisplayed() || g_process_creation_ticks.Get().is_null())
     return;
 
   UMA_HISTOGRAM_AND_TRACE_WITH_STARTUP_TEMPERATURE(
       UMA_HISTOGRAM_LONG_TIMES_100,
@@ skipping 18 matching lines @@
 
 base::TimeTicks MainEntryPointTicks() {
   return g_main_entry_point_ticks.Get();
 }
 
 StartupTemperature GetStartupTemperature() {
   return g_startup_temperature;
 }
 
 }  // namespace startup_metric_utils