Enable system token in platformKeys api.

chrome/browser/chromeos/platform_keys/platform_keys.h

Index: chrome/browser/chromeos/platform_keys/platform_keys.h
diff --git a/chrome/browser/chromeos/platform_keys/platform_keys.h b/chrome/browser/chromeos/platform_keys/platform_keys.h
index 2a61275963f0b9738da02a3121fcd031479836fd..13e1bb4aea9fa5fce369e36e3fb1f8ebb10e4231 100644
--- a/chrome/browser/chromeos/platform_keys/platform_keys.h
+++ b/chrome/browser/chromeos/platform_keys/platform_keys.h
@@ -26,6 +26,9 @@ namespace chromeos {
 
 namespace platform_keys {
 
+const char kTokenIdUser[] = "user";

[Joao da Silva, 2014/07/30 08:46:38]

Change to "extern const char kTokenIdUser[];" and define it in the .cc file

[Joao da Silva, 2014/07/30 08:46:38]

Also, what are these constants for? Document them here

[pneubeck (no reviews), 2014/07/30 13:53:44]

Done.

[pneubeck (no reviews), 2014/07/30 13:53:44]

Done.

+const char kTokenIdSystem[] = "system";
+
 // Supported hash algorithms.
 enum HashAlgorithm {
   HASH_ALGORITHM_SHA1,
@@ -115,6 +118,17 @@ void RemoveCertificate(const std::string& token_id,
                        const RemoveCertificateCallback& callback,
                        content::BrowserContext* browser_context);
 
+// If the list of available tokens could be successfully retrieved, |token_ids|
+// will contain the token ids. If an error, |token_ids| will be NULL and

[Joao da Silva, 2014/07/30 08:46:38]

"If an error" occurs

[pneubeck (no reviews), 2014/07/30 13:53:45]

Done.

+// |error_message| will be set to an/ error message.

[Joao da Silva, 2014/07/30 08:46:38]

remove /

[pneubeck (no reviews), 2014/07/30 13:53:44]

Done.

+typedef base::Callback<void(scoped_ptr<std::vector<std::string> > token_ids,
+                            const std::string& error_message)>
+    GetTokensCallback;
+
+// Gets the list of available tokens.
+void GetTokens(const GetTokensCallback& callback,

[Joao da Silva, 2014/07/30 08:46:38]

Document that this must be called on UI, and |callback| will be called on UI
too.

[pneubeck (no reviews), 2014/07/30 13:53:44]

Done.

+               content::BrowserContext* browser_context);
+
 }  // namespace platform_keys
 
 }  // namespace chromeos