[cros] RlzValueStore implementation for ChromeOS.

rlz/lib/rlz_lib.cc

Index: rlz/lib/rlz_lib.cc
diff --git a/rlz/lib/rlz_lib.cc b/rlz/lib/rlz_lib.cc
index 8a1b729187e4f9ba9e764a1d5254c1113d96ef88..0f67cd464e13c2591403b721f7e154b08a15e3b0 100644
--- a/rlz/lib/rlz_lib.cc
+++ b/rlz/lib/rlz_lib.cc
@@ -16,6 +16,10 @@
 #include "rlz/lib/rlz_value_store.h"
 #include "rlz/lib/string_utils.h"
 
+#if defined(OS_CHROMEOS)
+#include "rlz/chromeos/lib/rlz_value_store_chromeos.h"
+#endif  // defined(OS_CHROMEOS)
+
 namespace {
 
 // Event information returned from ping response.
@@ -214,6 +218,12 @@ bool SetURLRequestContext(net::URLRequestContextGetter* context) {
 }
 #endif
 
+#if defined(OS_CHROMEOS)
+void RLZ_LIB_API SetIOTaskRunner(base::SequencedTaskRunner* io_task_runner) {
+  RlzValueStoreChromeOS::SetIOTaskRunner(io_task_runner);
+}
+#endif
+
 bool GetProductEventsAsCgi(Product product, char* cgi, size_t cgi_size) {
   if (!cgi || cgi_size <= 0) {
     ASSERT_STRING("GetProductEventsAsCgi: Invalid buffer");