Merge java_staging/src into java/src.

chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/SceneChangeObserver.java

Index: chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/SceneChangeObserver.java
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/SceneChangeObserver.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/SceneChangeObserver.java
deleted file mode 100644
index 74bc4eddaae8d66354befa14c3da2f33491a6765..0000000000000000000000000000000000000000
--- a/chrome/android/java_staging/src/org/chromium/chrome/browser/compositor/layouts/SceneChangeObserver.java
+++ /dev/null
@@ -1,23 +0,0 @@
-// 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.compositor.layouts;
-
-/**
- * An observer that listens for active {@link Layout} changes.
- */
-public interface SceneChangeObserver {
-    /**
-     * Called when a layout wants to hint that a new tab might be selected soon.  This is not called
-     * every time a tab is selected.
-     * @param tabId The id of the tab that might be selected soon.
-     */
-    void onTabSelectionHinted(int tabId);
-
-    /**
-     * Called when the active {@link Layout} changes.
-     * @param layout The new active {@link Layout}.
-     */
-    void onSceneChange(Layout layout);
-}