Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/policy/PolicyProvider.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/policy/PolicyProvider.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/policy/PolicyProvider.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/policy/PolicyProvider.java
new file mode 100644
index 0000000000000000000000000000000000000000..f26e4de91b0c0b11c256d1fce14a8ba2c1b42ef5
--- /dev/null
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/policy/PolicyProvider.java
@@ -0,0 +1,59 @@
+// 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.policy;
+
+import android.content.Context;
+import android.os.Bundle;
+
+/**
+ * Base class for Policy providers.
+ */
+public abstract class PolicyProvider {
+    private PolicyManager mPolicyManager;
+    protected final Context mContext;
+    private int mSource = -1;
+
+    protected PolicyProvider(Context context) {
+        mContext = context.getApplicationContext();
+    }
+
+    protected void notifySettingsAvailable(Bundle settings) {
+        mPolicyManager.onSettingsAvailable(mSource, settings);
+    }
+
+    protected void terminateIncognitoSession() {
+        mPolicyManager.terminateIncognitoSession();
+    }
+
+    /**
+     * Called to request a refreshed set of policies.
+     * This method must handle notifying the PolicyManager whenever applicable.
+     */
+    public abstract void refresh();
+
+    /**
+     * Register the PolicyProvider for receiving policy changes.
+     */
+    protected void startListeningForPolicyChanges() {
+    }
+
+    /**
+     * Called by the {@link PolicyManager} to correctly hook it with the Policy system.
+     * @param policyManager reference to the PolicyManager to be used like a delegate.
+     * @param source tags the PolicyProvider with a source.
+     */
+    final void setManagerAndSource(PolicyManager policyManager, int source) {
+        assert mSource < 0;
+        assert source >= 0;
+        mSource = source;
+        assert mPolicyManager == null;
+        mPolicyManager = policyManager;
+        startListeningForPolicyChanges();
+    }
+
+    /** Called when the provider is unregistered */
+    public void destroy() {
+    }
+}