Implement Web Restrictions in WebView.

components/web_restrictions/browser/java/src/org/chromium/components/webrestrictions/browser/WebRestrictionsClientResult.java

Index: components/web_restrictions/browser/java/src/org/chromium/components/webrestrictions/browser/WebRestrictionsClientResult.java
diff --git a/components/web_restrictions/browser/java/src/org/chromium/components/webrestrictions/browser/WebRestrictionsClientResult.java b/components/web_restrictions/browser/java/src/org/chromium/components/webrestrictions/browser/WebRestrictionsClientResult.java
new file mode 100644
index 0000000000000000000000000000000000000000..548c4e36921db47f078effe651b39a32cf44ebb6
--- /dev/null
+++ b/components/web_restrictions/browser/java/src/org/chromium/components/webrestrictions/browser/WebRestrictionsClientResult.java
@@ -0,0 +1,84 @@
+// Copyright 2016 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.browser;
+
+import android.database.Cursor;
+
+import org.chromium.base.annotations.CalledByNative;
+
+/**
+ * Result of a WebRestrictions should proceed request on the client size
+ */
+public class WebRestrictionsClientResult {
+    private final Cursor mCursor;
+
+    public WebRestrictionsClientResult(Cursor cursor) {
+        mCursor = cursor;
+        if (cursor == null) return;
+        cursor.moveToFirst();
+    }
+
+    /**
+     * @return true if it is ok to access the URL
+     */
+    @CalledByNative
+    public boolean shouldProceed() {
+        if (mCursor == null) return false;
+        return mCursor.getInt(0) > 0;
+    }
+
+    /**
+     * Get an integer element of the custom error data
+     * @param column the column number
+     * @return the value
+     */
+    @CalledByNative
+    public int getInt(int column) {
+        if (mCursor == null) return 0;
+        return mCursor.getInt(column);
+    }
+
+    /**
+     * Get a string element of the custom error data
+     * @param column column number
+     * @return the value
+     */
+    @CalledByNative
+    public String getString(int column) {
+        if (mCursor == null) return null;
+        return mCursor.getString(column);
+    }
+
+    /**
+     * Get the name of a column
+     * @param column column number
+     * @return the value
+     */
+    @CalledByNative
+    public String getColumnName(int column) {
+        if (mCursor == null) return null;
+        return mCursor.getColumnName(column);
+    }
+
+    /**
+     * @return the number of columns
+     */
+    @CalledByNative
+    public int getColumnCount() {
+        if (mCursor == null) return 0;
+        return mCursor.getColumnCount();
+    }
+
+    /**
+     * @param column column number
+     * @return whether the column is a string column
+     * @note all columns are either strings or ints.
+     */
+    @CalledByNative
+    public boolean isString(int column) {
+        if (mCursor == null) return false;
+        return mCursor.getType(column) == Cursor.FIELD_TYPE_STRING;
+    }
+}