Mojo: Make GetDefault{AsyncWaiter,Logger} static methods of Environment.

mojo/public/cpp/bindings/lib/router.h

Index: mojo/public/cpp/bindings/lib/router.h
diff --git a/mojo/public/cpp/bindings/lib/router.h b/mojo/public/cpp/bindings/lib/router.h
index cd53270fb1774f56571553b3ff7c6b6a50c6baaf..76bf1471e2ee1e27852a487e226c128edafcaa06 100644
--- a/mojo/public/cpp/bindings/lib/router.h
+++ b/mojo/public/cpp/bindings/lib/router.h
@@ -10,6 +10,7 @@
 #include "mojo/public/cpp/bindings/lib/connector.h"
 #include "mojo/public/cpp/bindings/lib/filter_chain.h"
 #include "mojo/public/cpp/bindings/lib/shared_data.h"
+#include "mojo/public/cpp/environment/environment.h"
 
 namespace mojo {
 namespace internal {
@@ -18,7 +19,7 @@ class Router : public MessageReceiverWithResponder {
  public:
   Router(ScopedMessagePipeHandle message_pipe,
          FilterChain filters,
-         const MojoAsyncWaiter* waiter = GetDefaultAsyncWaiter());
+         const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter());
   virtual ~Router();
 
   // Sets the receiver to handle messages read from the message pipe that do