[Cleanup] Remove StringPrintf from global namespace

remoting/host/usage_stats_consent_win.cc

Index: remoting/host/usage_stats_consent_win.cc
diff --git a/remoting/host/usage_stats_consent_win.cc b/remoting/host/usage_stats_consent_win.cc
index fa7345bd6baf3eb3341c69994cfb96aa3aefee60..fea38538b5a77c3cac2343f3864d52032a8d88d8 100644
--- a/remoting/host/usage_stats_consent_win.cc
+++ b/remoting/host/usage_stats_consent_win.cc
@@ -25,9 +25,9 @@ const wchar_t kOmahaUsagestatsValue[] = L"usagestats";
 
 LONG ReadUsageStatsValue(const wchar_t* state_key, DWORD* usagestats_out) {
   // presubmit: allow wstring
-  std::wstring client_state = StringPrintf(kOmahaClientStateKeyFormat,
-                                           state_key,
-                                           remoting::kHostOmahaAppid);
+  std::wstring client_state = base::StringPrintf(kOmahaClientStateKeyFormat,
+                                                 state_key,
+                                                 remoting::kHostOmahaAppid);
   base::win::RegKey key;
   LONG result = key.Open(HKEY_LOCAL_MACHINE, client_state.c_str(), KEY_READ);
   if (result != ERROR_SUCCESS) {
@@ -73,9 +73,9 @@ bool IsUsageStatsAllowed() {
 bool SetUsageStatsConsent(bool allowed) {
   DWORD value = allowed;
   // presubmit: allow wstring
-  std::wstring client_state = StringPrintf(kOmahaClientStateKeyFormat,
-                                           kOmahaClientStateMedium,
-                                           kHostOmahaAppid);
+  std::wstring client_state = base::StringPrintf(kOmahaClientStateKeyFormat,
+                                                 kOmahaClientStateMedium,
+                                                 kHostOmahaAppid);
   base::win::RegKey key;
   LONG result = key.Create(HKEY_LOCAL_MACHINE, client_state.c_str(),
                            KEY_SET_VALUE);