(Base)SessionService: Remove dead code which was only used by the unit tests.

chrome/browser/sessions/session_service.cc

Index: chrome/browser/sessions/session_service.cc
diff --git a/chrome/browser/sessions/session_service.cc b/chrome/browser/sessions/session_service.cc
index 0dda61c1c432dd03f77f5ddc05a0e049c8fcf471..63ba56ac9df62999ea0b626adc94c6d272554238 100644
--- a/chrome/browser/sessions/session_service.cc
+++ b/chrome/browser/sessions/session_service.cc
@@ -84,7 +84,7 @@ class InternalSessionRequest
         real_callback(real_callback) {
   }
 
-  // The callback supplied to GetLastSession and GetCurrentSession.
+  // The callback supplied to GetLastSession.
   SessionService::SessionCallback real_callback;
 
  private:
@@ -424,35 +424,6 @@ SessionService::Handle SessionService::GetLastSession(
       consumer);
 }
 
-SessionService::Handle SessionService::GetCurrentSession(
-    CancelableRequestConsumerBase* consumer,
-    const SessionCallback& callback) {
-  if (pending_window_close_ids_.empty()) {
-    // If there are no pending window closes, we can get the current session
-    // from memory.
-    scoped_refptr<InternalSessionRequest> request(new InternalSessionRequest(
-        base::Bind(&SessionService::OnGotSessionCommands,
-                   base::Unretained(this)),
-        callback));
-    AddRequest(request, consumer);
-    IdToRange tab_to_available_range;
-    std::set<SessionID::id_type> windows_to_track;
-    BuildCommandsFromBrowsers(&(request->commands),
-                              &tab_to_available_range,
-                              &windows_to_track);
-    request->ForwardResult(request->handle(), request);
-    return request->handle();
-  } else {
-    // If there are pending window closes, read the current session from disk.
-    return ScheduleGetCurrentSessionCommands(
-        new InternalSessionRequest(
-            base::Bind(&SessionService::OnGotSessionCommands,
-                       base::Unretained(this)),
-            callback),
-        consumer);
-  }
-}
-
 void SessionService::Save() {
   bool had_commands = !pending_commands().empty();
   BaseSessionService::Save();