Test dynamic priorities

base/android/java/src/org/chromium/base/ThreadUtils.java

 // Copyright 2012 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.base;
 
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Process;
 
@@ skipping 194 matching lines @@
 
     /**
      * Set thread priority to audio.
      */
     @CalledByNative
     public static void setThreadPriorityAudio(int tid) {
         Process.setThreadPriority(tid, Process.THREAD_PRIORITY_AUDIO);
     }
 
     /**
+     * Set thread priority to foreground.
+     */
+    @CalledByNative
+    public static void setThreadPriorityNormal(int tid) {
+        Process.setThreadPriority(tid, Process.THREAD_PRIORITY_DEFAULT);
+    }
+
+    /**
+     * Set thread priority to backbround.
+     */
+    @CalledByNative
+    public static void setThreadPriorityBackground(int tid) {
+        Process.setThreadPriority(tid, Process.THREAD_PRIORITY_BACKGROUND);
+    }
+
+    /**
      * Checks whether Thread priority is THREAD_PRIORITY_AUDIO or not.
      * @param tid Thread id.
      * @return true for THREAD_PRIORITY_AUDIO and false otherwise.
      */
     @CalledByNative
     private static boolean isThreadPriorityAudio(int tid) {
         return Process.getThreadPriority(tid) == Process.THREAD_PRIORITY_AUDIO;
     }
+
+    /**
+     * Checks whether Thread priority is THREAD_PRIORITY_DEFAULT or not.
+     * @param tid Thread id.
+     * @return true for THREAD_PRIORITY_DEFAULT and false otherwise.
+     */
+    @CalledByNative
+    private static boolean isThreadPriorityNormal(int tid) {
+        return Process.getThreadPriority(tid) == Process.THREAD_PRIORITY_DEFAULT;
+    }
+
+    /**
+     * Checks whether Thread priority is THREAD_PRIORITY_BACKGROUND or not.
+     * @param tid Thread id.
+     * @return true for THREAD_PRIORITY_BACKGROUND and false otherwise.
+     */
+    @CalledByNative
+    private static boolean isThreadPriorityBackground(int tid) {
+        return Process.getThreadPriority(tid) == Process.THREAD_PRIORITY_BACKGROUND;
+    }
 }