[Password Manager] Add UMA stats to track interaction with synced accounts.

chrome/browser/password_manager/chrome_password_manager_client.cc

Index: chrome/browser/password_manager/chrome_password_manager_client.cc
diff --git a/chrome/browser/password_manager/chrome_password_manager_client.cc b/chrome/browser/password_manager/chrome_password_manager_client.cc
index 48b26be65deddf98443c055936c09d188a84139e..af56926b74aeda2d94f9a7c0fdc83834fe4adc0e 100644
--- a/chrome/browser/password_manager/chrome_password_manager_client.cc
+++ b/chrome/browser/password_manager/chrome_password_manager_client.cc
@@ -11,6 +11,7 @@
 #include "chrome/browser/password_manager/password_manager_util.h"
 #include "chrome/browser/password_manager/password_store_factory.h"
 #include "chrome/browser/password_manager/save_password_infobar_delegate.h"
+#include "chrome/browser/password_manager/sync_metrics.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
@@ -81,6 +82,12 @@ bool ChromePasswordManagerClient::IsAutomaticPasswordSavingEnabled() const {
              chrome::VersionInfo::CHANNEL_UNKNOWN;
 }
 
+bool ChromePasswordManagerClient::IsPasswordSyncAccountCredential(
+    const std::string& username, const std::string& origin) const {
+  return password_manager_sync_metrics::IsPasswordSyncAccountCredential(
+      profile_, username, origin);
+}
+
 void ChromePasswordManagerClient::PromptUserToSavePassword(
     password_manager::PasswordFormManager* form_to_save) {
   if (IsTheHotNewBubbleUIEnabled()) {