Fix a failing IME test caused by ImeThread

content/public/android/javatests/src/org/chromium/content/browser/input/ImeLollipopTest.java

Index: content/public/android/javatests/src/org/chromium/content/browser/input/ImeLollipopTest.java
diff --git a/content/public/android/javatests/src/org/chromium/content/browser/input/ImeLollipopTest.java b/content/public/android/javatests/src/org/chromium/content/browser/input/ImeLollipopTest.java
index 159d73a5fdef25a55ad93ad11acaf92954c58ae8..f6352c10effe6c822a9253446838ee4afa585e7e 100644
--- a/content/public/android/javatests/src/org/chromium/content/browser/input/ImeLollipopTest.java
+++ b/content/public/android/javatests/src/org/chromium/content/browser/input/ImeLollipopTest.java
@@ -16,6 +16,8 @@ import org.chromium.base.test.util.MinAndroidSdkLevel;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 
+import java.util.concurrent.Callable;
+
 /**
  * Integration tests for text input for Android L (or above) features.
  */
@@ -60,12 +62,13 @@ public class ImeLollipopTest extends ImeTest {
         waitForUpdateCursorAnchorInfoComposingText("abcd");
     }
 
-    private void requestCursorUpdates(final int cursorUpdateMode) {
+    private void requestCursorUpdates(final int cursorUpdateMode) throws Exception {
         final InputConnection connection = mConnection;
-        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+        runBlockingOnImeThread(new Callable<Void>() {
             @Override
-            public void run() {
+            public Void call() {
                 connection.requestCursorUpdates(cursorUpdateMode);
+                return null;
             }
         });
     }