Cleanup: Remove unneeded scoped_ptr.h includes from chrome/browser.

chrome/browser/prefs/testing_pref_store.cc

 // Copyright (c) 2012 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/testing_pref_store.h"
 
+#include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 
 TestingPrefStore::TestingPrefStore()
     : read_only_(true),
       prefs_written_(false),
       init_complete_(false) {
 }
 
 PrefStore::ReadResult TestingPrefStore::GetValue(const std::string& key,
                                                  const Value** value) const {
@@ skipping 111 matching lines @@
     return false;
 
   return stored_value->GetAsBoolean(value);
 }
 
 void TestingPrefStore::set_read_only(bool read_only) {
   read_only_ = read_only;
 }
 
 TestingPrefStore::~TestingPrefStore() {}