Move HashMetricName to base namespace.

components/metrics/cloned_install_detector.cc

Index: components/metrics/cloned_install_detector.cc
diff --git a/components/metrics/cloned_install_detector.cc b/components/metrics/cloned_install_detector.cc
index b9dc25c5bc6acd4c5a6dfd3ac5f70eb03bd40ea4..4d57632caae80befb02cd574d2663eeecc14fe42 100644
--- a/components/metrics/cloned_install_detector.cc
+++ b/components/metrics/cloned_install_detector.cc
@@ -9,12 +9,12 @@
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/metrics/metrics_hashes.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
 #include "base/single_thread_task_runner.h"
 #include "base/task_runner_util.h"
 #include "components/metrics/machine_id_provider.h"
-#include "components/metrics/metrics_hashes.h"
 #include "components/metrics/metrics_pref_names.h"
 
 namespace metrics {
@@ -22,7 +22,7 @@ namespace metrics {
 namespace {
 
 uint32 HashRawId(const std::string& value) {
-  uint64 hash = HashMetricName(value);
+  uint64 hash = base::HashMetricName(value);
 
   // Only use 24 bits from the 64-bit hash.
   return hash & ((1 << 24) - 1);