Upstream oodles of Chrome for Android code into Chromium.

chrome/android/java_staging/src/org/chromium/chrome/browser/historyreport/DeltaFileEntry.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/historyreport/DeltaFileEntry.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/historyreport/DeltaFileEntry.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/historyreport/DeltaFileEntry.java
new file mode 100644
index 0000000000000000000000000000000000000000..cff10e40445b6d7ea97ace447f7f4c239f4dff7e
--- /dev/null
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/historyreport/DeltaFileEntry.java
@@ -0,0 +1,61 @@
+// 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.historyreport;
+
+/**
+ * Represents entry in delta file. Each entry is a log of action that happened to history data. It
+ * can be addition or deletion of an URL.
+ */
+public class DeltaFileEntry {
+    /**
+     * Unique id of this entry. Order of two entries can be determined by comparing their seqNos.
+     * Smaller happened first.
+     */
+    public final long seqNo;
+    /**
+     * Type of the action represented by this entry. Can be 'add' or 'del'.
+     */
+    public final String type;
+    /**
+     * ID which identifies the URL targeted by the action represented by this entry.
+     * It's shorter than 257 characters.
+     */
+    public final String id;
+    /**
+     * URL targeted by the action represented by this entry.
+     */
+    public final String url;
+    /**
+     * Score of the URL targeted by the action represented by this entry.
+     * It's used in search ranking.
+     */
+    public final int score;
+    /**
+     * Title of the URL targeted by the action represented by this entry.
+     */
+    public final String title;
+
+    /**
+     * Part of URL which will be used as a search key in index.
+     */
+    public final String indexedUrl;
+
+    public DeltaFileEntry(long seqNo, String type, String id, String url, int score, String title,
+            String indexedUrl) {
+        this.seqNo = seqNo;
+        this.type = type;
+        this.id = id;
+        this.url = url;
+        this.score = score;
+        this.title = title;
+        this.indexedUrl = indexedUrl;
+    }
+
+    @Override
+    public String toString() {
+        return "DeltaFileEntry[" + seqNo + ", " + type + ", " + id + ", " + url + ", " + title
+                + "]";
+    }
+}