Update sync/, sql/, and printing/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

sync/tools/sync_client.cc

Index: sync/tools/sync_client.cc
diff --git a/sync/tools/sync_client.cc b/sync/tools/sync_client.cc
index 9d3c51d1c4cb859b633cfb12a79bdcdaf576a9d7..1cc3640e685573b48901ba7883aa81882eae8780 100644
--- a/sync/tools/sync_client.cc
+++ b/sync/tools/sync_client.cc
@@ -310,10 +310,8 @@ int SyncClientMain(int argc, char* argv[]) {
   const char kUserAgent[] = "sync_client";
   // TODO(akalin): Replace this with just the context getter once
   // HttpPostProviderFactory is removed.
-  scoped_ptr<HttpPostProviderFactory> post_factory(
-      new HttpBridgeFactory(context_getter,
-                            kUserAgent,
-                            NetworkTimeUpdateCallback()));
+  scoped_ptr<HttpPostProviderFactory> post_factory(new HttpBridgeFactory(
+      context_getter.get(), kUserAgent, NetworkTimeUpdateCallback()));
   // Used only when committing bookmarks, so it's okay to leave this
   // as NULL.
   ExtensionsActivityMonitor* extensions_activity_monitor = NULL;