Reland: Add USB device permissions to individual site settings on Android.

chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbInfo.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbInfo.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbInfo.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbInfo.java
new file mode 100644
index 0000000000000000000000000000000000000000..c48aa1e67453b2924b4b259831a54ea7e39d0edf
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/preferences/website/UsbInfo.java
@@ -0,0 +1,52 @@
+// 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.preferences.website;
+
+import java.io.Serializable;
+
+/**
+ * USB device information for a given origin.
+ */
+public class UsbInfo implements Serializable {
+    private final String mOrigin;
+    private final String mEmbedder;
+    private final String mName;
+    private final String mObject;
+
+    UsbInfo(String origin, String embedder, String name, String object) {
+        mOrigin = origin;
+        mEmbedder = embedder;
+        mName = name;
+        mObject = object;
+    }
+
+    /**
+     * Returns the origin that requested the permission.
+     */
+    public String getOrigin() {
+        return mOrigin;
+    }
+
+    /**
+     * Returns the origin that the requester was embedded in.
+     */
+    public String getEmbedder() {
+        return mEmbedder;
+    }
+
+    /**
+     * Returns the name of the USB device for display in the UI.
+     */
+    public String getName() {
+        return mName;
+    }
+
+    /**
+     * Revokes permission for the origin to access the USB device.
+     */
+    public void revoke() {
+        WebsitePreferenceBridge.nativeRevokeUsbPermission(mOrigin, mEmbedder, mObject);
+    }
+}