[Sync] Add auto-generated ModelType in Java.

chrome/android/java/src/org/chromium/chrome/browser/invalidation/ChromiumSyncAdapter.java

Index: chrome/android/java/src/org/chromium/chrome/browser/invalidation/ChromiumSyncAdapter.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/invalidation/ChromiumSyncAdapter.java b/chrome/android/java/src/org/chromium/chrome/browser/invalidation/ChromiumSyncAdapter.java
index 850fdb2b976861839345c1bd328109abe400ee2a..039d6a4dfac4b3196ee4a8eb78ae54ab76dc10bc 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/invalidation/ChromiumSyncAdapter.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/invalidation/ChromiumSyncAdapter.java
@@ -25,7 +25,8 @@ import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.components.invalidation.PendingInvalidation;
 import org.chromium.content.app.ContentApplication;
 import org.chromium.content.browser.BrowserStartupController;
-import org.chromium.sync.internal_api.pub.base.ModelType;
+import org.chromium.sync.ModelType;
+import org.chromium.sync.ModelTypeHelper;
 import org.chromium.sync.signin.ChromeSigninController;
 
 import java.util.concurrent.Semaphore;
@@ -173,7 +174,7 @@ public abstract class ChromiumSyncAdapter extends AbstractThreadedSyncAdapter {
         // Count the number of sessions sync invalidations to evaluate effectiveness of
         // AndroidSessionNotifications field trial. The histogram is recorded here because
         // RecordHistogram requires the native library to be loaded.
-        if (ModelType.SESSION.name().equals(objectId)) {
+        if (ModelTypeHelper.toString(ModelType.SESSIONS).equals(objectId)) {
             RecordHistogram.recordBooleanHistogram("Sync.InvalidationSessionsAndroid", true);
         }
     }