[Android History] Add support for opening items

chrome/android/java/src/org/chromium/chrome/browser/history/HistoryItem.java

Index: chrome/android/java/src/org/chromium/chrome/browser/history/HistoryItem.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/history/HistoryItem.java b/chrome/android/java/src/org/chromium/chrome/browser/history/HistoryItem.java
index a68f650f3dc8d6e7c53d60bd92cd63dc745eeaf2..3ddc16ec13e272b22af504aa81151e9b86c63020 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/history/HistoryItem.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/history/HistoryItem.java
@@ -16,6 +16,8 @@ public class HistoryItem extends TimedItem {
     private final long mTimestamp;
     private Long mStableId;
 
+    private HistoryManager mManager;
+
     /**
      * @param url The url for this item.
      * @param domain The string to display for the item's domain.
@@ -29,6 +31,11 @@ public class HistoryItem extends TimedItem {
         mTimestamp = timestamp;
     }
 
+    /** @return The url for this item. */
+    public String getUrl() {
+        return mUrl;
+    }
+
     /** @return The string to display for the item's domain. */
     public String getDomain() {
         return mDomain;
@@ -53,4 +60,18 @@ public class HistoryItem extends TimedItem {
         }
         return mStableId;
     }
+
+    /**
+     * @param manager The HistoryManager associated with this item.
+     */
+    public void setHistoryManager(HistoryManager manager) {
+        mManager = manager;
+    }
+
+    /**
+     * Navigates a tab to this item's URL.
+     */
+    public void open() {
+        if (mManager != null) mManager.openItem(mUrl, null, false);
+    }
 }