Revert GoogleAccountsCallback changes in WebLayer Shell.

The changes broke signin.

Bug: 11289611
Change-Id: Id39601cef6257eaffa3b4fb0a3b6fb2ddd22107f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2418564Reviewed-by: Clark DuVall <cduvall@chromium.org>
Commit-Queue: Evan Stade <estade@chromium.org>
Cr-Commit-Position: refs/heads/master@{#808394}

weblayer/shell/android/shell_apk/src/org/chromium/weblayer/shell/WebLayerShellActivity.java

@@ -12,11 +12,8 @@ import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.Intent;
 import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.net.Uri;
 import android.os.Bundle;
-import android.os.Handler;
-import android.os.Looper;
 import android.text.TextUtils;
 import android.view.ContextMenu;
 import android.view.KeyEvent;
@@ -26,7 +23,6 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup.LayoutParams;
 import android.view.WindowManager;
-import android.webkit.ValueCallback;
 import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.ImageView;
@@ -53,8 +49,6 @@ import org.chromium.weblayer.FaviconCallback;
 import org.chromium.weblayer.FaviconFetcher;
 import org.chromium.weblayer.FindInPageCallback;
 import org.chromium.weblayer.FullscreenCallback;
-import org.chromium.weblayer.GoogleAccountsCallback;
-import org.chromium.weblayer.GoogleAccountsParams;
 import org.chromium.weblayer.NavigationCallback;
 import org.chromium.weblayer.NavigationController;
 import org.chromium.weblayer.NewTabCallback;
@@ -559,30 +553,6 @@ public class WebLayerShellActivity extends AppCompatActivity {
                 return true;
             }
         });
-        tab.setGoogleAccountsCallback(new GoogleAccountsCallback() {
-            @Override
-            public void onGoogleAccountsRequest(GoogleAccountsParams params) {}
-
-            @Override
-            public String getGaiaId() {
-                return "example.user@gmail.com";
-            }
-
-            @Override
-            public String getFullName() {
-                return "Jill Doe";
-            }
-
-            @Override
-            public void getAvatar(int desiredSize, ValueCallback<Bitmap> avatarLoadedCallback) {
-                // Simulate a delayed load.
-                final Handler handler = new Handler(Looper.getMainLooper());
-                handler.postDelayed(() -> {
-                    avatarLoadedCallback.onReceiveValue(BitmapFactory.decodeResource(
-                            getApplicationContext().getResources(), R.drawable.avatar_sunglasses));
-                }, 3000);
-            }
-        });
         mTabToFaviconFetcher.put(tab, tab.createFaviconFetcher(new FaviconCallback() {
             @Override
             public void onFaviconChanged(Bitmap favicon) {