Web restrictions component.

components/web_restrictions/browser/javatest/src/org/chromium/components/webrestrictions/WebRestrictionsClient.java

Index: components/web_restrictions/browser/javatest/src/org/chromium/components/webrestrictions/WebRestrictionsClient.java
diff --git a/components/web_restrictions/browser/javatest/src/org/chromium/components/webrestrictions/WebRestrictionsClient.java b/components/web_restrictions/browser/javatest/src/org/chromium/components/webrestrictions/WebRestrictionsClient.java
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+// 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.components.webrestrictions;
+
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.annotations.JNINamespace;
+
+/**
+ * This is a dummy version of the real WebRestrictionsClient, to allow unit testing of the C++
+ * code.
+ */
+@JNINamespace("web_restrictions")
+public class WebRestrictionsClient {
+    private class ShouldProceedResult {
+        private final boolean mShouldProceed;
+        private final String mErrorPage;
+
+        ShouldProceedResult(boolean shouldProceed, String errorPage) {
+            mShouldProceed = shouldProceed;
+            mErrorPage = errorPage;
+        }
+
+        @CalledByNative("ShouldProceedResult")
+        boolean shouldProceed() {
+            return mShouldProceed;
+        }
+
+        @CalledByNative("ShouldProceedResult")
+        String getErrorPage() {
+            return mErrorPage;
+        }
+    }
+
+    private String mAuthority;
+
+    /**
+     * Start the web restriction provider and setup the content resolver.
+     */
+    WebRestrictionsClient() {}
+
+    void init(String authority, final long nativeProvider) {
+        mAuthority = authority;
+    }
+
+    /**
+     * Simple helper method to expose the constructor over JNI.
+     */
+    @CalledByNative
+    private static WebRestrictionsClient create(String authority, long nativeProvider) {
+        WebRestrictionsClient client = new WebRestrictionsClient();
+        client.init(authority, nativeProvider);
+        return client;
+    }
+
+    /**
+     * @return whether the web restriction provider supports requesting access for a blocked url.
+     */
+    @CalledByNative
+    boolean supportsRequest() {
+        return mAuthority.contains("Good");
+    }
+
+    /**
+     * Called when the ContentResolverWebRestrictionsProvider is about to be destroyed.
+     */
+    @CalledByNative
+    private void onDestroy() {}
+
+    /**
+     * Whether we can proceed with loading the {@code url}.
+     * In case the url is not to be loaded, the web restriction provider can return an optional
+     * error page to show instead.
+     */
+    @CalledByNative
+    ShouldProceedResult shouldProceed(final String url) {
+        return new ShouldProceedResult(mAuthority.contains("Good"), url);
+    }
+
+    /**
+     * Request permission to load the {@code url}.
+     * The web restriction provider returns a {@code boolean} variable indicating whether it was
+     * able to forward the request to the appropriate authority who can approve it.
+     */
+    @CalledByNative
+    boolean requestPermission(final String url) {
+        return mAuthority.contains("Good");
+    }
+
+    native void nativeNotifyWebRestrictionsChanged(long ptrProvider);
+}