Setting --enable-gpu-benchmarking should force all Finch trials to default

chrome/browser/chrome_browser_main.cc

 // Copyright (c) 2012 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/chrome_browser_main.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 19 matching lines @@
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_split.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "build/build_config.h"
+#include "cc/base/switches.h"
 #include "chrome/browser/about_flags.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_process_impl.h"
 #include "chrome/browser/browser_process_platform_part.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/chrome_browser_main_extra_parts.h"
 #include "chrome/browser/component_updater/cld_component_installer.h"
 #include "chrome/browser/component_updater/ev_whitelist_component_installer.h"
 #include "chrome/browser/component_updater/flash_component_installer.h"
 #include "chrome/browser/component_updater/recovery_component_installer.h"
@@ skipping 544 matching lines @@
   // but before field trials are set up (so that client ID is available for
   // one-time randomized field trials).
 
   // Initialize FieldTrialList to support FieldTrials that use one-time
   // randomization.
   metrics::MetricsService* metrics = browser_process_->metrics_service();
   field_trial_list_.reset(
       new base::FieldTrialList(metrics->CreateEntropyProvider().release()));
 
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kEnableBenchmarking))
+  if (command_line->HasSwitch(switches::kEnableBenchmarking) ||
+      command_line->HasSwitch(cc::switches::kEnableGpuBenchmarking)) {
     base::FieldTrial::EnableBenchmarking();
+  }
 
   // Ensure any field trials specified on the command line are initialized.
   if (command_line->HasSwitch(switches::kForceFieldTrials)) {
     std::set<std::string> unforceable_field_trials;
 #if defined(OFFICIAL_BUILD)
     unforceable_field_trials.insert("SettingsEnforcement");
 #endif  // defined(OFFICIAL_BUILD)
 
     // Create field trials without activating them, so that this behaves in a
     // consistent manner with field trials created from the server.
@@ skipping 1100 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif
 #endif
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }