Cleanup: Better constify some strings in chrome/browser/{chromeos,extensions}.

chrome/browser/extensions/activity_log/fullstream_ui_policy.cc

Index: chrome/browser/extensions/activity_log/fullstream_ui_policy.cc
diff --git a/chrome/browser/extensions/activity_log/fullstream_ui_policy.cc b/chrome/browser/extensions/activity_log/fullstream_ui_policy.cc
index 22db6e66f3e2b4ed3829a26dd40bd04b0dd0cf70..00c7d77a1daccaed271769e9412ffcecf62e240f 100644
--- a/chrome/browser/extensions/activity_log/fullstream_ui_policy.cc
+++ b/chrome/browser/extensions/activity_log/fullstream_ui_policy.cc
@@ -33,12 +33,12 @@ namespace constants = activity_log_constants;
 
 namespace extensions {
 
-const char* FullStreamUIPolicy::kTableName = "activitylog_full";
-const char* FullStreamUIPolicy::kTableContentFields[] = {
+const char FullStreamUIPolicy::kTableName[] = "activitylog_full";
+const char* const FullStreamUIPolicy::kTableContentFields[] = {
   "extension_id", "time", "action_type", "api_name", "args", "page_url",
   "page_title", "arg_url", "other"
 };
-const char* FullStreamUIPolicy::kTableFieldTypes[] = {
+const char* const FullStreamUIPolicy::kTableFieldTypes[] = {
   "LONGVARCHAR NOT NULL", "INTEGER", "INTEGER", "LONGVARCHAR", "LONGVARCHAR",
   "LONGVARCHAR", "LONGVARCHAR", "LONGVARCHAR", "LONGVARCHAR"
 };