Update mojo sdk to rev f6c8ec07c01deebc13178d516225fd12695c3dc2

mojo/edk/embedder/embedder.cc

Index: mojo/edk/embedder/embedder.cc
diff --git a/mojo/edk/embedder/embedder.cc b/mojo/edk/embedder/embedder.cc
index 9c73eb0e1250159694cfcb534c30511aae58f578..d538810ff51d369d867560af9588930ec774f800 100644
--- a/mojo/edk/embedder/embedder.cc
+++ b/mojo/edk/embedder/embedder.cc
@@ -62,7 +62,7 @@ void CreateChannelHelper(
       MakeChannel(platform_handle.Pass(), channel_endpoint);
 
   // Hand the channel back to the embedder.
-  if (callback_thread_task_runner.get()) {
+  if (callback_thread_task_runner) {
     callback_thread_task_runner->PostTask(
         FROM_HERE, base::Bind(callback, channel_info.release()));
   } else {
@@ -118,7 +118,7 @@ ScopedMessagePipeHandle CreateChannel(
     DidCreateChannelCallback callback,
     scoped_refptr<base::TaskRunner> callback_thread_task_runner) {
   DCHECK(platform_handle.is_valid());
-  DCHECK(io_thread_task_runner.get());
+  DCHECK(io_thread_task_runner);
   DCHECK(!callback.is_null());
 
   scoped_refptr<system::ChannelEndpoint> channel_endpoint;
@@ -195,7 +195,7 @@ MojoResult PassWrappedPlatformHandle(MojoHandle platform_handle_wrapper_handle,
   DCHECK(internal::g_core);
   scoped_refptr<system::Dispatcher> dispatcher(
       internal::g_core->GetDispatcher(platform_handle_wrapper_handle));
-  if (!dispatcher.get())
+  if (!dispatcher)
     return MOJO_RESULT_INVALID_ARGUMENT;
 
   if (dispatcher->GetType() != system::Dispatcher::kTypePlatformHandle)