Allow chromedriver to set local state preferences.

chrome/browser/automation/testing_automation_provider.h

Index: chrome/browser/automation/testing_automation_provider.h
diff --git a/chrome/browser/automation/testing_automation_provider.h b/chrome/browser/automation/testing_automation_provider.h
index 9086d28d086c25605985ae1a814fe62a1bcf47ec..06465a1066c5984a95799c9f19d1039206d6569e 100644
--- a/chrome/browser/automation/testing_automation_provider.h
+++ b/chrome/browser/automation/testing_automation_provider.h
@@ -501,14 +501,12 @@ class TestingAutomationProvider : public AutomationProvider,
 
   // Get info about preferences.
   // Uses the JSON interface for input/output.
-  void GetPrefsInfo(Browser* browser,
-                    base::DictionaryValue* args,
+  void GetPrefsInfo(base::DictionaryValue* args,
                     IPC::Message* reply_message);
 
   // Set prefs.
   // Uses the JSON interface for input/output.
-  void SetPrefs(Browser* browser,
-                base::DictionaryValue* args,
+  void SetPrefs(base::DictionaryValue* args,
                 IPC::Message* reply_message);
 
   // Return load times of initial tabs.