base::Bind: Convert more of chrome/browser/sessions.

chrome/browser/sessions/session_backend.cc

Index: chrome/browser/sessions/session_backend.cc
diff --git a/chrome/browser/sessions/session_backend.cc b/chrome/browser/sessions/session_backend.cc
index 8f92e9bd20aeb2bf86a4c00322cbbde82af6e59d..916f04a8d991eaecbdefb18d8f60a641a5bfee88 100644
--- a/chrome/browser/sessions/session_backend.cc
+++ b/chrome/browser/sessions/session_backend.cc
@@ -244,9 +244,7 @@ void SessionBackend::ReadLastSessionCommands(
     return;
   Init();
   ReadLastSessionCommandsImpl(&(request->commands));
-  request->ForwardResult(
-      BaseSessionService::InternalGetCommandsRequest::TupleType(
-          request->handle(), request));
+  request->ForwardResult(request->handle(), request);
 }
 
 bool SessionBackend::ReadLastSessionCommandsImpl(
@@ -297,9 +295,7 @@ void SessionBackend::ReadCurrentSessionCommands(
     return;
   Init();
   ReadCurrentSessionCommandsImpl(&(request->commands));
-  request->ForwardResult(
-      BaseSessionService::InternalGetCommandsRequest::TupleType(
-          request->handle(), request));
+  request->ForwardResult(request->handle(), request);
 }
 
 bool SessionBackend::ReadCurrentSessionCommandsImpl(