Relieve SyncerSession,SyncCycleState, SyncProcessState, SyncerSession, Syncer...

chrome/browser/sync/engine/model_changing_syncer_command.h

Index: chrome/browser/sync/engine/model_changing_syncer_command.h
===================================================================
--- chrome/browser/sync/engine/model_changing_syncer_command.h	(revision 32731)
+++ chrome/browser/sync/engine/model_changing_syncer_command.h	(working copy)
@@ -8,6 +8,9 @@
 #include "chrome/browser/sync/engine/syncer_command.h"
 
 namespace browser_sync {
+namespace sessions {
+class SyncSession;
+}
 
 // An abstract SyncerCommand which dispatches its Execute step to the
 // model-safe worker thread.  Classes derived from ModelChangingSyncerCommand
@@ -25,7 +28,7 @@
   virtual ~ModelChangingSyncerCommand() { }
 
   // SyncerCommand implementation. Sets work_session to session.
-  virtual void ExecuteImpl(SyncerSession* session);
+  virtual void ExecuteImpl(sessions::SyncSession* session);
 
   // wrapper so implementations don't worry about storing work_session
   void StartChangingModel() {
@@ -33,14 +36,14 @@
   }
 
   // Abstract method to be implemented by subclasses.
-  virtual void ModelChangingExecuteImpl(SyncerSession* session) = 0;
+  virtual void ModelChangingExecuteImpl(sessions::SyncSession* session) = 0;
 
  private:
   // ExecuteImpl is expected to be run by SyncerCommand to set work_session.
   // StartChangingModel is called to start this command running.
   // Implementations will implement ModelChangingExecuteImpl and not
   // worry about storing the session or setting it. They are given work_session.
-  SyncerSession* work_session_;
+  sessions::SyncSession* work_session_;
 
   DISALLOW_COPY_AND_ASSIGN(ModelChangingSyncerCommand);
 };