Deinline even more destructors.

chrome/browser/prefs/pref_value_map.cc

 // Copyright (c) 2010 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/pref_value_map.h"
 
 #include "base/logging.h"
 #include "base/scoped_ptr.h"
 #include "base/stl_util-inl.h"
 #include "base/values.h"
 
+PrefValueMap::PrefValueMap() {}
+
 PrefValueMap::~PrefValueMap() {
   Clear();
 }
 
 bool PrefValueMap::GetValue(const std::string& key, Value** value) const {
   const Map::const_iterator entry = prefs_.find(key);
   if (entry != prefs_.end()) {
     if (value)
       *value = entry->second;
     return true;
@@ skipping 26 matching lines @@
     return true;
   }
 
   return false;
 }
 
 void PrefValueMap::Clear() {
   STLDeleteValues(&prefs_);
   prefs_.clear();
 }