Add policies to control Chrome OS power management

chrome/browser/policy/configuration_policy_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 119 matching lines @@
   // Name of the pref to write.
   const char* pref_path_;
 
   // The mapping table.
   const MappingEntry* mapping_begin_;
   const MappingEntry* mapping_end_;
 
   DISALLOW_COPY_AND_ASSIGN(StringToIntEnumListPolicyHandler);
 };
 
+// A policy handler implementation that maps an int percentage value to a
+// double.
+class IntPercentageToDoublePolicyHandler : public TypeCheckingPolicyHandler {
+ public:
+  IntPercentageToDoublePolicyHandler(const char* policy_name,
+                                     const char* pref_path);
+
+  // ConfigurationPolicyHandler:
+  virtual void ApplyPolicySettings(const PolicyMap& policies,
+                                   PrefValueMap* prefs) OVERRIDE;
+
+ private:
+  // Name of the pref to write.
+  const char* pref_path_;
+
+  DISALLOW_COPY_AND_ASSIGN(IntPercentageToDoublePolicyHandler);
+};
+
 // Implements additional checks for policies that are lists of extension IDs.
 class ExtensionListPolicyHandler : public TypeCheckingPolicyHandler {
  public:
   ExtensionListPolicyHandler(const char* policy_name,
                              const char* pref_path,
                              bool allow_wildcards);
   virtual ~ExtensionListPolicyHandler();
 
   // ConfigurationPolicyHandler methods:
   virtual bool CheckPolicySettings(const PolicyMap& policies,
@@ skipping 308 matching lines @@
  private:
   void ApplyPolicySettingsFromHomePage(const PolicyMap& policies,
                                        PrefValueMap* prefs);
 
   DISALLOW_COPY_AND_ASSIGN(RestoreOnStartupPolicyHandler);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_H_