Stack sampling profiler: move configuration to chrome/common

chrome/common/stack_sampling_configuration.cc

Index: chrome/common/stack_sampling_configuration.cc
diff --git a/chrome/browser/stack_sampling_configuration.cc b/chrome/common/stack_sampling_configuration.cc
similarity index 93%
rename from chrome/browser/stack_sampling_configuration.cc
rename to chrome/common/stack_sampling_configuration.cc
index 925b9596c37f01f1087e1894b987c03f7e44e709..02e5b01156ca50f982e1faae4b721b006bd53b68 100644
--- a/chrome/browser/stack_sampling_configuration.cc
+++ b/chrome/common/stack_sampling_configuration.cc
@@ -2,10 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/stack_sampling_configuration.h"
+#include "chrome/common/stack_sampling_configuration.h"
 
 #include "base/rand_util.h"
-#include "chrome/browser/metrics/chrome_metrics_service_accessor.h"
 #include "chrome/common/channel_info.h"
 #include "components/version_info/version_info.h"
 
@@ -76,7 +75,8 @@ bool StackSamplingConfiguration::IsProfilerEnabled() const {
           configuration_ != PROFILE_CONTROL);
 }
 
-void StackSamplingConfiguration::RegisterSyntheticFieldTrial() const {
+void StackSamplingConfiguration::RegisterSyntheticFieldTrial(
+    const RegisterSyntheticFieldTrialFunction& register_field_trial) const {
   if (!IsProfilerSupported())
     return;
 
@@ -107,9 +107,7 @@ void StackSamplingConfiguration::RegisterSyntheticFieldTrial() const {
       break;
   }
 
-  ChromeMetricsServiceAccessor::RegisterSyntheticFieldTrial(
-      "SyntheticStackProfilingConfiguration",
-      group);
+  register_field_trial.Run("SyntheticStackProfilingConfiguration", group);
 }
 
 // static