Delete lots of sync ServerConnectionManager code

chrome/browser/sync/engine/sync_scheduler.h

Index: chrome/browser/sync/engine/sync_scheduler.h
diff --git a/chrome/browser/sync/engine/sync_scheduler.h b/chrome/browser/sync/engine/sync_scheduler.h
index 4b1593be05f5f6af351b21309beee0ca7fe89a35..bf60d675f2db132cb75233cf320c71ceb8b8651f 100644
--- a/chrome/browser/sync/engine/sync_scheduler.h
+++ b/chrome/browser/sync/engine/sync_scheduler.h
@@ -37,8 +37,7 @@ namespace browser_sync {
 
 struct ServerConnectionEvent;
 
-class SyncScheduler : public sessions::SyncSession::Delegate,
-                      public ServerConnectionEventListener {
+class SyncScheduler : public sessions::SyncSession::Delegate {
  public:
   enum Mode {
     // In this mode, the thread only performs configuration tasks.  This is
@@ -123,10 +122,19 @@ class SyncScheduler : public sessions::SyncSession::Delegate,
   virtual void OnSyncProtocolError(
       const sessions::SyncSessionSnapshot& snapshot) OVERRIDE;
 
-  // ServerConnectionEventListener implementation.
-  // TODO(tim): schedule a nudge when valid connection detected? in 1 minute?
-  virtual void OnServerConnectionEvent(
-      const ServerConnectionEvent& event) OVERRIDE;
+  // Forces the scheduler to make another attempt to contact the server.
+  //
+  // Does not override THROTTLED state.  Should be called when some client-side
+  // event, such as an IP address change or the receipt of new auth credentials,
+  // imporoves our odds of successfully contacting the server.
+  //
+  // WARNING: This function will also lead to retries in the case where our
+  // connection to the server was perfectly fine.  If used improperly, this
+  // function coudl DoS the server.
+  //
+  // WARNING: This function is synchronous.  Do not call it unless you are
+  // prepared to wait the duration of a sync cycle.
+  void TryToConnect();
 
  private:
   enum JobProcessDecision {
@@ -340,9 +348,6 @@ class SyncScheduler : public sessions::SyncSession::Delegate,
                                 SyncerStep* start,
                                 SyncerStep* end);
 
-  // Initializes the hookup between the ServerConnectionManager and us.
-  void WatchConnectionManager();
-
   // Used to update |server_connection_ok_|, see below.
   void CheckServerConnectionManagerStatus(
       HttpResponse::ServerConnectionCode code);