Remove base::ScopedPtrHashMap from components/prefs/.

chrome/browser/prefs/profile_pref_store_manager_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/prefs/profile_pref_store_manager.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <vector>
@@ skipping 19 matching lines @@
 #include "components/user_prefs/tracked/pref_hash_filter.h"
 #include "components/user_prefs/tracked/pref_names.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 class FirstEqualsPredicate {
  public:
   explicit FirstEqualsPredicate(const std::string& expected)
       : expected_(expected) {}
-  bool operator()(const std::pair<std::string, base::Value*>& pair) {
+  bool operator()(const PrefValueMap::Map::value_type& pair) {
     return pair.first == expected_;
   }
 
  private:
   const std::string expected_;
 };
 
 // Observes changes to the PrefStore and verifies that only registered prefs are
 // written.
 class RegistryVerifier : public PrefStore::Observer {
@@ skipping 429 matching lines @@
 
   // Trigger the logic that migrates it back to the unprotected preferences
   // file.
   pref_store_->SetValue(kProtectedAtomic,
                         base::WrapUnique(new base::StringValue(kGoodbyeWorld)),
                         WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
   LoadExistingPrefs();
   ExpectStringValueEquals(kProtectedAtomic, kGoodbyeWorld);
   VerifyResetRecorded(false);
 }