[sync] Abstract most ProfileSyncService //chrome deps

chrome/browser/sync/chrome_sync_client.h

Index: chrome/browser/sync/chrome_sync_client.h
diff --git a/chrome/browser/sync/chrome_sync_client.h b/chrome/browser/sync/chrome_sync_client.h
index a7206a30c1a40112aa3bc44c0bfade0ce2167806..2059d6280adc0ac4e472c0c8587a678cb9ab1a8b 100644
--- a/chrome/browser/sync/chrome_sync_client.h
+++ b/chrome/browser/sync/chrome_sync_client.h
@@ -40,6 +40,7 @@ class ChromeSyncClient : public sync_driver::SyncClient {
       override;
   base::Closure GetPasswordStateChangedCallback() override;
   autofill::PersonalDataManager* GetPersonalDataManager() override;
+  invalidation::InvalidationService* GetInvalidationService() override;
   scoped_refptr<autofill::AutofillWebDataService> GetWebDataService() override;
   BookmarkUndoService* GetBookmarkUndoServiceIfExists() override;
   scoped_refptr<syncer::ExtensionsActivity> GetExtensionsActivity() override;
@@ -50,6 +51,13 @@ class ChromeSyncClient : public sync_driver::SyncClient {
       syncer::ModelSafeGroup group,
       syncer::WorkerLoopDestructionObserver* observer) override;
   sync_driver::SyncApiComponentFactory* GetSyncApiComponentFactory() override;
+  base::FilePath GetBaseDirectory() override;
+  net::URLRequestContextGetter* GetURLRequestContext() override;
+  std::string GetDebugIdentifier() override;
+  version_info::Channel GetChannel() override;
+  scoped_refptr<base::SingleThreadTaskRunner> GetDBThread() override;
+  scoped_refptr<base::SingleThreadTaskRunner> GetFileThread() override;
+  base::SequencedWorkerPool* GetBlockingPool() override;
 
   // Helper for testing rollback.
   void SetBrowsingDataRemoverObserverForTesting(