Moved BrowsingDataCounter and part of BrowsingDataCounterUtils to components.

chrome/browser/browsing_data/passwords_counter.cc

Index: chrome/browser/browsing_data/passwords_counter.cc
diff --git a/chrome/browser/browsing_data/passwords_counter.cc b/chrome/browser/browsing_data/passwords_counter.cc
index 6fc68cbc8f06396b5aab3594ce1a88b36745d213..0ca7eb55d6b8371da9095450f8d24b4d8add0b52 100644
--- a/chrome/browser/browsing_data/passwords_counter.cc
+++ b/chrome/browser/browsing_data/passwords_counter.cc
@@ -7,7 +7,8 @@
 #include "chrome/common/pref_names.h"
 #include "components/password_manager/core/browser/password_store.h"
 
-PasswordsCounter::PasswordsCounter() : pref_name_(prefs::kDeletePasswords) {}
+PasswordsCounter::PasswordsCounter(Profile* profile)
+    : BrowsingDataCounter(prefs::kDeletePasswords), profile_(profile) {}
 
 PasswordsCounter::~PasswordsCounter() {
   if (store_)
@@ -16,17 +17,14 @@ PasswordsCounter::~PasswordsCounter() {
 
 void PasswordsCounter::OnInitialized() {
   store_ = PasswordStoreFactory::GetForProfile(
-      GetProfile(), ServiceAccessType::EXPLICIT_ACCESS).get();
+               profile_, ServiceAccessType::EXPLICIT_ACCESS)
+               .get();
   if (store_)
     store_->AddObserver(this);
   else
     LOG(ERROR) << "No password store! Cannot count passwords.";
 }
 
-const std::string& PasswordsCounter::GetPrefName() const {
-  return pref_name_;
-}
-
 void PasswordsCounter::Count() {
   if (!store_) {
     ReportResult(0);