Implemented OwnerSettingsService::Set() method.

components/ownership/owner_settings_service.h

Index: components/ownership/owner_settings_service.h
diff --git a/components/ownership/owner_settings_service.h b/components/ownership/owner_settings_service.h
index ed4a1b5be90a696b00c90f66522dde1f92d3b45a..20a62f8efbc1236310416be623eaf81ca3eb24c2 100644
--- a/components/ownership/owner_settings_service.h
+++ b/components/ownership/owner_settings_service.h
@@ -20,6 +20,7 @@
 
 namespace base {
 class TaskRunner;
+class Value;
 }
 
 namespace ownership {
@@ -31,7 +32,8 @@ class PublicKey;
 // which deal with ownership, keypairs and owner-related settings.
 class OWNERSHIP_EXPORT OwnerSettingsService : public KeyedService {
  public:
-  typedef base::Callback<void(std::string policy_blob)>
+  typedef base::Callback<void(
+      scoped_ptr<enterprise_management::PolicyFetchResponse> policy_response)>
       AssembleAndSignPolicyAsyncCallback;
 
   typedef base::Callback<void(bool is_owner)> IsOwnerCallback;
@@ -60,12 +62,16 @@ class OWNERSHIP_EXPORT OwnerSettingsService : public KeyedService {
       scoped_ptr<enterprise_management::PolicyData> policy,
       const AssembleAndSignPolicyAsyncCallback& callback);
 
-  // Signs |settings| with the private half of the owner key and sends
-  // the resulting policy blob for storage. The
-  // result of the operation is reported through |callback|.
-  virtual void SignAndStorePolicyAsync(
-      scoped_ptr<enterprise_management::PolicyData> policy,
-      const base::Closure& callback) = 0;
+  // Checks whether |setting| is handled by OwnerSettingsService.
+  virtual bool HandlesSetting(const std::string& setting) = 0;
+
+  // Sets |setting| value to |value|.
+  virtual void Set(const std::string& setting, const base::Value& value) = 0;
+
+  void SetBoolean(const std::string& setting, bool value);
+  void SetInteger(const std::string& setting, int value);
+  void SetDouble(const std::string& setting, double value);
+  void SetString(const std::string& setting, const std::string& value);
 
  protected:
   void ReloadKeypair();