[Clean up] Clean up some methods in PasswordManagerClient

components/password_manager/core/browser/password_manager_client.cc

Index: components/password_manager/core/browser/password_manager_client.cc
diff --git a/components/password_manager/core/browser/password_manager_client.cc b/components/password_manager/core/browser/password_manager_client.cc
index dc711c1bea429ccc0657d1a3c3783f4f6884a9d3..7edc803697a9a1129eb7abf64f0f16dbe00a1666 100644
--- a/components/password_manager/core/browser/password_manager_client.cc
+++ b/components/password_manager/core/browser/password_manager_client.cc
@@ -16,14 +16,26 @@ bool PasswordManagerClient::IsPasswordManagerEnabledForCurrentPage() const {
 
 base::FieldTrial::Probability
 PasswordManagerClient::GetProbabilityForExperiment(
-    const std::string& experiment_name) {
+    const std::string& experiment_name) const {
   return 0;
 }
 
 void PasswordManagerClient::AskUserAndMaybeReportURL(const GURL& url) const {
 }
 
-bool PasswordManagerClient::IsPasswordSyncEnabled(CustomPassphraseState state) {
+void PasswordManagerClient::AutofillResultsComputed() {
+}
+
+void PasswordManagerClient::PasswordWasAutofilled(
+    const autofill::PasswordFormMap& best_matches) const {
+}
+
+void PasswordManagerClient::PasswordAutofillWasBlocked(
+    const autofill::PasswordFormMap& best_matches) const {
+}
+
+bool PasswordManagerClient::IsPasswordSyncEnabled(
+    CustomPassphraseState state) const {
   return false;
 }
 
@@ -63,11 +75,11 @@ PasswordManagerClient::GetAuthorizationPromptPolicy(
   return PasswordStore::DISALLOW_PROMPT;
 }
 
-bool PasswordManagerClient::DidLastPageLoadEncounterSSLErrors() {
+bool PasswordManagerClient::DidLastPageLoadEncounterSSLErrors() const {
   return false;
 }
 
-bool PasswordManagerClient::IsOffTheRecord() {
+bool PasswordManagerClient::IsOffTheRecord() const {
   return false;
 }
 
@@ -80,7 +92,7 @@ PasswordManagerClient::GetAutofillManagerForMainFrame() {
   return nullptr;
 }
 
-const GURL& PasswordManagerClient::GetMainFrameURL() {
+const GURL& PasswordManagerClient::GetMainFrameURL() const {
   return GURL::EmptyGURL();
 }