Integrate new Reader Mode panel

chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeTabInfo.java

Index: chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeTabInfo.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeTabInfo.java b/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeTabInfo.java
new file mode 100644
index 0000000000000000000000000000000000000000..cc389ecd0a6ee08c3ba0e6f437d670acd2559fe9
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/dom_distiller/ReaderModeTabInfo.java
@@ -0,0 +1,82 @@
+// 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.dom_distiller;
+
+import org.chromium.content_public.browser.WebContentsObserver;
+
+/**
+ * This class tracks the per-tab state of reader mode.
+ */
+public class ReaderModeTabInfo {
+    // The WebContentsObserver responsible for updates to the distillation status of the tab.
+    private WebContentsObserver mWebContentsObserver;
+
+    // The distillation status of the tab.
+    private int mStatus;
+
+    // If the panel was closed due to the close button.
+    private boolean mIsDismissed;
+
+    // The URL that distiller is using for this tab. This is used to check if a result comes
+    // back from distiller and the user has already loaded a new URL.
+    private String mCurrentUrl;
+
+    /**
+     * @param observer The WebContentsObserver for the tab this object represents.
+     */
+    public void setWebContentsObserver(WebContentsObserver observer) {
+        mWebContentsObserver = observer;
+    }
+
+    /**
+     * @return The WebContentsObserver for the tab this object represents.
+     */
+    public WebContentsObserver getWebContentsObserver() {
+        return mWebContentsObserver;
+    }
+
+    /**
+     * @param status The status of reader mode for this object's tab.
+     */
+    public void setStatus(int status) {
+        mStatus = status;
+    }
+
+    /**
+     * @return The reader mode status for this object's tab.
+     */
+    public int getStatus() {
+        return mStatus;
+    }
+
+    /**
+     * @return If the panel has been dismissed for this object's tab.
+     */
+    public boolean isDismissed() {
+        return mIsDismissed;
+    }
+
+    /**
+     * @param dismissed Set the panel as dismissed for this object's tab.
+     */
+    public void setIsDismissed(boolean dismissed) {
+        mIsDismissed = dismissed;
+    }
+
+    /**
+     * @param url The URL being processed by reader mode.
+     */
+    public void setUrl(String url) {
+        mCurrentUrl = url;
+    }
+
+    /**
+     * @return The last URL being processed by reader mode.
+     */
+    public String getUrl() {
+        return mCurrentUrl;
+    }
+}
+