Refactored PairingRegistry::Delegate such that it can retrieve/modify for a single client.

remoting/host/pairing_registry_delegate.h

Index: remoting/host/pairing_registry_delegate.h
diff --git a/remoting/host/pairing_registry_delegate.h b/remoting/host/pairing_registry_delegate.h
index 82ecbdedd4c4ed0509864306f8d4bbb988ec9c2c..238f20c303aa3f15df62dddd9de1ab59c5056be0 100644
--- a/remoting/host/pairing_registry_delegate.h
+++ b/remoting/host/pairing_registry_delegate.h
@@ -10,20 +10,19 @@
 #include "remoting/protocol/pairing_registry.h"
 
 namespace base {
-class TaskRunner;
+class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace remoting {
 // Returns a platform-specific pairing registry delegate that will save to
-// permanent storage using the specified TaskRunner. Returns NULL on platforms
-// that don't support pairing.
+// permanent storage. Returns NULL on platforms that don't support pairing.
 scoped_ptr<protocol::PairingRegistry::Delegate>
-CreatePairingRegistryDelegate(scoped_refptr<base::TaskRunner> task_runner);
+CreatePairingRegistryDelegate();
 
 // Convenience function which returns a new PairingRegistry, using the delegate
 // returned by CreatePairingRegistryDelegate().

[Jamie, 2013/08/01 22:44:04]

Please add something to this comment to explain what the task runner is used
for.

[alexeypa (please no reviews), 2013/08/01 23:07:43]

Done.

 scoped_refptr<protocol::PairingRegistry> CreatePairingRegistry(
-    scoped_refptr<base::TaskRunner> task_runner);
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
 }  // namespace remoting