📤 Upstream SafeBrowsingApiBridge.

chrome/android/java/src/org/chromium/chrome/browser/safe_browsing/SafeBrowsingApiBridge.java

Index: chrome/android/java/src/org/chromium/chrome/browser/safe_browsing/SafeBrowsingApiBridge.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/safe_browsing/SafeBrowsingApiBridge.java b/chrome/android/java/src/org/chromium/chrome/browser/safe_browsing/SafeBrowsingApiBridge.java
new file mode 100644
index 0000000000000000000000000000000000000000..cd4668aef2735b4dd95d332832426bf2d20c43f1
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/safe_browsing/SafeBrowsingApiBridge.java
@@ -0,0 +1,67 @@
+// 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.chrome.browser.safe_browsing;
+
+import android.content.Context;
+
+import org.chromium.base.Log;
+import org.chromium.base.annotations.CalledByNative;
+import org.chromium.base.annotations.JNINamespace;
+
+/**
+ * Helper for calling GMSCore Safe Browsing API from native code.
+ */
+@JNINamespace("safe_browsing")
+public final class SafeBrowsingApiBridge {
+    private static final String TAG = "SafeBrowsingApi";
+
+    private static Class<? extends SafeBrowsingApiHandler> sHandler;
+
+    private SafeBrowsingApiBridge() {
+        // Util class, do not instantiate.
+    }
+
+    /**
+     * Set the class-file for the implementation of SafeBrowsingApiHandler to use when the safe
+     * browsing api is invoked.
+     */
+    public static void setSafeBrowingHandlerType(Class<? extends SafeBrowsingApiHandler> handler) {
+        sHandler = handler;
+    }
+
+    /**
+     * Create a SafeBrowsingApiHandler obj and initialize its client, if supported.
+     * Should be called on IO thread.
+     *
+     * @return the handler if it's usable, or null if the API is not supported.
+     */
+    @CalledByNative
+    private static SafeBrowsingApiHandler create(Context context) {
+        SafeBrowsingApiHandler handler;
+        try {
+            handler = sHandler.newInstance();
+        } catch (NullPointerException | InstantiationException | IllegalAccessException e) {
+            Log.e(TAG, "Failed to init handler: " + e.getMessage());
+            return null;
+        }
+        boolean initSuccesssful = handler.init(context, new SafeBrowsingApiHandler.Observer() {
+            @Override
+            public void onUrlCheckDone(long callbackId, int resultStatus, String metadata) {
+                nativeOnUrlCheckDone(callbackId, resultStatus, metadata);
+            }
+        });
+        return initSuccesssful ? handler : null;
+    }
+
+    @CalledByNative
+    private static void startUriLookup(SafeBrowsingApiHandler handler, long callbackId,
+            String uri, int[] threatsOfInterest) {
+        handler.startUriLookup(callbackId, uri, threatsOfInterest);
+        Log.d(TAG, "Done starting request");
+    }
+
+    private static native void nativeOnUrlCheckDone(
+            long callbackId, int resultStatus, String metadata);
+}