[InfoBar] Upstram basic infobar flow for Android.

chrome/android/java/src/org/chromium/chrome/browser/infobar/TwoButtonInfoBar.java

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/TwoButtonInfoBar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/TwoButtonInfoBar.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/TwoButtonInfoBar.java
new file mode 100644
index 0000000000000000000000000000000000000000..848d210ed81df6a4e2b1ebef05e34b71ebd6096d
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/TwoButtonInfoBar.java
@@ -0,0 +1,46 @@
+// Copyright (c) 2013 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.infobar;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import org.chromium.chrome.R;
+
+/**
+ * An infobar that presents the user with up to 2 buttons.
+ */
+public abstract class TwoButtonInfoBar extends InfoBar {
+    public TwoButtonInfoBar(InfoBarListeners.Dismiss dismissListener, int backgroundType,
+            int iconDrawableId) {
+        super(dismissListener, backgroundType, iconDrawableId);
+    }
+
+    /**
+     * Creates controls for the current InfoBar.
+     * @param layout InfoBarLayout to find controls in.
+     */
+    @Override
+    public void createContent(InfoBarLayout layout) {
+        Context context = layout.getContext();
+        layout.addButtons(getPrimaryButtonText(context), getSecondaryButtonText(context));
+    }
+
+    @Override
+    public void setControlsEnabled(boolean state) {
+        super.setControlsEnabled(state);
+
+        // Handle the buttons.
+        ContentWrapperView wrapper = getContentWrapper(false);
+        if (wrapper != null) {
+            Button primary = (Button) wrapper.findViewById(R.id.button_primary);
+            Button secondary = (Button) wrapper.findViewById(R.id.button_secondary);
+            if (primary != null) primary.setEnabled(state);
+            if (secondary != null) secondary.setEnabled(state);
+        }
+    }
+}