Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/gsa/GSAHelper.java

+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.gsa;
+
+import android.content.Context;
+import android.os.Bundle;
+
+import org.chromium.chrome.browser.ChromeActivity;
+
+/**
+ * Helper class that triggers integration methods with GSA.
+ */
+public class GSAHelper {
+
+    /**
+     * Returns A {@link ContextReporter} instance that handles reporting context to GSA. Might
+     * return null.
+     */
+    @SuppressWarnings("unused")
+    public ContextReporter getContextReporter(ChromeActivity activity) {
+        return null;
+    }
+
+    /**
+     * Starts syncing with local indexing service.
+     */
+    public void startSync() {}
+
+    /**
+     * Get a bundle that contains the required context information to register as a client to
+     * GSA service.
+     * @param context The context to use while constructing the bundle.
+     * @return The bundle to use for registering a {@link GSAServiceClient}.
+     */
+    public Bundle getBundleForRegisteringGSAClient(Context context) {
+        return null;
+    }
+
+    /**
+     * Extracts the logged in account from a given gsaState.
+     * @param gsaState The GSA state byte array that contains the account information.
+     * @return The account that GSA is currently logged in to. Can be null.
+     */
+    public String getGSAAccountFromState(byte[] gsaState) {
+        return null;
+    }
+}