[Sync] Rename syncable_prefs to sync_preferences.

chrome/browser/prefs/chrome_pref_model_associator_client.h

Index: chrome/browser/prefs/chrome_pref_model_associator_client.h
diff --git a/chrome/browser/prefs/chrome_pref_model_associator_client.h b/chrome/browser/prefs/chrome_pref_model_associator_client.h
index 4a79aabf40c8a9d4bee161f7ea3ad17eab398d72..243315fa6587ecd2d27d05bdfc458d5c1593dcc0 100644
--- a/chrome/browser/prefs/chrome_pref_model_associator_client.h
+++ b/chrome/browser/prefs/chrome_pref_model_associator_client.h
@@ -8,7 +8,7 @@
 #include <string>
 
 #include "base/macros.h"
-#include "components/syncable_prefs/pref_model_associator_client.h"
+#include "components/sync_preferences/pref_model_associator_client.h"
 
 namespace base {
 template <typename T>
@@ -16,7 +16,7 @@ struct DefaultSingletonTraits;
 }
 
 class ChromePrefModelAssociatorClient
-    : public syncable_prefs::PrefModelAssociatorClient {
+    : public sync_preferences::PrefModelAssociatorClient {
  public:
   // Returns the global instance.
   static ChromePrefModelAssociatorClient* GetInstance();
@@ -27,7 +27,7 @@ class ChromePrefModelAssociatorClient
   ChromePrefModelAssociatorClient();
   ~ChromePrefModelAssociatorClient() override;
 
-  // syncable_prefs::PrefModelAssociatorClient implementation.
+  // sync_preferences::PrefModelAssociatorClient implementation.
   bool IsMergeableListPreference(const std::string& pref_name) const override;
   bool IsMergeableDictionaryPreference(
       const std::string& pref_name) const override;