Android: Consolidate and simplify VSync logic

content/public/android/java/src/org/chromium/content/browser/VSyncManager.java

Index: content/public/android/java/src/org/chromium/content/browser/VSyncManager.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/VSyncManager.java b/content/public/android/java/src/org/chromium/content/browser/VSyncManager.java
deleted file mode 100644
index a152b41a32a56569c79ef2765c57d8c43d229677..0000000000000000000000000000000000000000
--- a/content/public/android/java/src/org/chromium/content/browser/VSyncManager.java
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright 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.content.browser;
-
-public abstract class VSyncManager {
-    /**
-     * Interface for requesting notification of the display vsync signal. The provider will call
-     * Listener.onVSync() to notify about vsync. The number of registrations and unregistrations of
-     * a given listener must be balanced.
-     */
-    public static interface Provider {
-        void registerVSyncListener(Listener listener);
-        void unregisterVSyncListener(Listener listener);
-    }
-
-    /**
-     * Interface for receiving vsync notifications and information about the display refresh
-     * interval.
-     */
-    public static interface Listener {
-        /**
-         * Notification of a vsync event.
-         * @param frameTimeMicros The latest vsync frame time in microseconds.
-         */
-        void onVSync(long frameTimeMicros);
-
-        /**
-         * Update with the latest vsync parameters.
-         * @param tickTimeMicros The latest vsync tick time in microseconds.
-         * @param intervalMicros The vsync interval in microseconds.
-         */
-        void updateVSync(long tickTimeMicros, long intervalMicros);
-    }
-}