PasswordStore refactoring.

components/password_manager/core/browser/password_store.h

Index: components/password_manager/core/browser/password_store.h
diff --git a/components/password_manager/core/browser/password_store.h b/components/password_manager/core/browser/password_store.h
index f4fd83ea3b4d2fa8d07b313dc6acee49abd40338..6520f34da4b87a7e315adb20d1210ca65f10b0a4 100644
--- a/components/password_manager/core/browser/password_store.h
+++ b/components/password_manager/core/browser/password_store.h
@@ -77,7 +77,7 @@ class PasswordStore : protected PasswordStoreSync,
     explicit GetLoginsRequest(PasswordStoreConsumer* consumer);
     virtual ~GetLoginsRequest();
 
-    void set_ignore_logins_cutoff(const base::Time& cutoff) {
+    void set_ignore_logins_cutoff(base::Time cutoff) {
       ignore_logins_cutoff_ = cutoff;
     }
 
@@ -139,8 +139,8 @@ class PasswordStore : protected PasswordStoreSync,
   virtual void RemoveLogin(const autofill::PasswordForm& form);
 
   // Removes all logins created in the given date range.
-  virtual void RemoveLoginsCreatedBetween(const base::Time& delete_begin,
-                                          const base::Time& delete_end);
+  virtual void RemoveLoginsCreatedBetween(base::Time delete_begin,
+                                          base::Time delete_end);
 
   // Removes all logins synced in the given date range.
   virtual void RemoveLoginsSyncedBetween(base::Time delete_begin,
@@ -217,7 +217,8 @@ class PasswordStore : protected PasswordStoreSync,
 
   // Synchronous implementation to remove the given logins.
   virtual PasswordStoreChangeList RemoveLoginsCreatedBetweenImpl(
-      const base::Time& delete_begin, const base::Time& delete_end) = 0;
+      base::Time delete_begin,
+      base::Time delete_end) = 0;
 
   // Synchronous implementation to remove the given logins.
   virtual PasswordStoreChangeList RemoveLoginsSyncedBetweenImpl(