[Metrics] Move CachingPermutedEntropyProvider into the variations component.

chrome/browser/metrics/metrics_state_manager_unittest.cc

Index: chrome/browser/metrics/metrics_state_manager_unittest.cc
diff --git a/chrome/browser/metrics/metrics_state_manager_unittest.cc b/chrome/browser/metrics/metrics_state_manager_unittest.cc
index bad4b77a9f4922d32286e0a22c141022c791238d..288d0872b88ed75cfc03d96a514620a1f5d22f1a 100644
--- a/chrome/browser/metrics/metrics_state_manager_unittest.cc
+++ b/chrome/browser/metrics/metrics_state_manager_unittest.cc
@@ -10,8 +10,9 @@
 #include "base/command_line.h"
 #include "base/prefs/testing_pref_service.h"
 #include "chrome/common/chrome_switches.h"
-#include "chrome/common/metrics/caching_permuted_entropy_provider.h"
 #include "chrome/common/pref_names.h"
+#include "components/variations/caching_permuted_entropy_provider.h"
+#include "components/variations/pref_names.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace metrics {
@@ -83,8 +84,8 @@ TEST_F(MetricsStateManagerTest, LowEntropySource0NotReset) {
 TEST_F(MetricsStateManagerTest,
        PermutedEntropyCacheClearedWhenLowEntropyReset) {
   const PrefService::Preference* low_entropy_pref =
-      prefs_.FindPreference(prefs::kMetricsLowEntropySource);
-  const char* kCachePrefName = prefs::kMetricsPermutedEntropyCache;
+      prefs_.FindPreference(::prefs::kMetricsLowEntropySource);
+  const char* kCachePrefName = prefs::kVariationsPermutedEntropyCache;
   int low_entropy_value = -1;
 
   // First, generate an initial low entropy source value.
@@ -109,7 +110,7 @@ TEST_F(MetricsStateManagerTest,
 
     EXPECT_EQ("test", prefs_.GetString(kCachePrefName));
     EXPECT_EQ(low_entropy_value,
-              prefs_.GetInteger(prefs::kMetricsLowEntropySource));
+              prefs_.GetInteger(::prefs::kMetricsLowEntropySource));
   }
 
   // Verify that the cache does get reset if --reset-variations-state is passed.
@@ -131,7 +132,7 @@ TEST_F(MetricsStateManagerTest, ResetMetricsIDs) {
   // Set an initial client id in prefs. It should not be possible for the
   // metrics state manager to generate this id randomly.
   const std::string kInitialClientId = "initial client id";
-  prefs_.SetString(prefs::kMetricsClientID, kInitialClientId);
+  prefs_.SetString(::prefs::kMetricsClientID, kInitialClientId);
 
   // Make sure the initial client id isn't reset by the metrics state manager.
   {
@@ -141,7 +142,7 @@ TEST_F(MetricsStateManagerTest, ResetMetricsIDs) {
   }
 
   // Set the reset pref to cause the IDs to be reset.
-  prefs_.SetBoolean(prefs::kMetricsResetIds, true);
+  prefs_.SetBoolean(::prefs::kMetricsResetIds, true);
 
   // Cause the actual reset to happen.
   {
@@ -151,10 +152,10 @@ TEST_F(MetricsStateManagerTest, ResetMetricsIDs) {
 
     state_manager->GetLowEntropySource();
 
-    EXPECT_FALSE(prefs_.GetBoolean(prefs::kMetricsResetIds));
+    EXPECT_FALSE(prefs_.GetBoolean(::prefs::kMetricsResetIds));
   }
 
-  EXPECT_NE(kInitialClientId, prefs_.GetString(prefs::kMetricsClientID));
+  EXPECT_NE(kInitialClientId, prefs_.GetString(::prefs::kMetricsClientID));
 }
 
 }  // namespace metrics