Create a Android Sync integration test for typed URLs (try #2)

chrome/android/sync_shell/javatests/src/chromium/chrome/browser/sync/FakeServerHelper.java

Index: chrome/android/sync_shell/javatests/src/chromium/chrome/browser/sync/FakeServerHelper.java
diff --git a/chrome/android/sync_shell/javatests/src/chromium/chrome/browser/sync/FakeServerHelper.java b/chrome/android/sync_shell/javatests/src/chromium/chrome/browser/sync/FakeServerHelper.java
index 09a25ce673c06ba2aed6e30c9c8b9fcad538a497..51cd031c4bbe04b9e5f77f066443da198361811c 100644
--- a/chrome/android/sync_shell/javatests/src/chromium/chrome/browser/sync/FakeServerHelper.java
+++ b/chrome/android/sync_shell/javatests/src/chromium/chrome/browser/sync/FakeServerHelper.java
@@ -7,7 +7,7 @@ package org.chromium.chrome.browser.sync;
 import android.content.Context;
 
 import org.chromium.base.ThreadUtils;
-//import org.chromium.chrome.browser.sync.ProfileSyncService;
+import org.chromium.sync.internal_api.pub.base.ModelType;
 
 import java.util.concurrent.Callable;
 
@@ -113,6 +113,25 @@ public class FakeServerHelper {
         nativeDeleteFakeServer(mNativeFakeServerHelperAndroid, nativeFakeServer);
     }
 
+    /**
+     * Returns whether {@code count} entities exist on the fake Sync server with the given
+     * {@code modelType} and {@code name}.
+     *
+     * @param count the number of fake server entities to verify
+     * @param modelType the model type of entities to verify
+     * @param name the name of entities to verify
+     *
+     * @return whether the number of specified entities exist
+     */
+    public boolean verifyEntityCountByTypeAndName(int count, ModelType modelType, String name) {
+        if (sNativeFakeServer == 0L) {
+            throw new IllegalStateException(
+                "useFakeServer must be called before data verification.");
+        }
+        return nativeVerifyEntityCountByTypeAndName(mNativeFakeServerHelperAndroid,
+            sNativeFakeServer, count, modelType.toString(), name);
+    }
+
     // Native methods.
     private native long nativeInit();
     private native long nativeCreateFakeServer(long nativeFakeServerHelperAndroid);
@@ -120,4 +139,7 @@ public class FakeServerHelper {
             long nativeFakeServerHelperAndroid, long nativeFakeServer);
     private native void nativeDeleteFakeServer(
             long nativeFakeServerHelperAndroid, long nativeFakeServer);
+    private native boolean nativeVerifyEntityCountByTypeAndName(
+            long nativeFakeServerHelperAndroid, long nativeFakeServer, int count, String modelType,
+            String name);
 }