base/threading: restrict to set only current thread priority

content/renderer/gpu/compositor_output_surface.cc

 // Copyright (c) 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.
 
 #include "content/renderer/gpu/compositor_output_surface.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 189 matching lines @@
   ReclaimResources(&ack);
 }
 
 bool CompositorOutputSurface::Send(IPC::Message* message) {
   return message_sender_->Send(message);
 }
 
 #if defined(OS_ANDROID)
 namespace {
 void SetThreadPriorityToIdle() {
-  base::PlatformThread::SetThreadPriority(base::PlatformThread::CurrentHandle(),
-                                          base::ThreadPriority::BACKGROUND);
+  base::PlatformThread::SetCurrentThreadPriority(
+      base::ThreadPriority::BACKGROUND);
 }
 void SetThreadPriorityToDefault() {
-  base::PlatformThread::SetThreadPriority(base::PlatformThread::CurrentHandle(),
-                                          base::ThreadPriority::NORMAL);
+  base::PlatformThread::SetCurrentThreadPriority(base::ThreadPriority::NORMAL);
 }
 }  // namespace
 #endif
 
 void CompositorOutputSurface::UpdateSmoothnessTakesPriority(
     bool prefers_smoothness) {
 #if defined(OS_ANDROID)
   if (prefers_smoothness_ == prefers_smoothness)
     return;
   prefers_smoothness_ = prefers_smoothness;
   if (prefers_smoothness) {
     main_thread_runner_->PostTask(FROM_HERE,
                                   base::Bind(&SetThreadPriorityToIdle));
   } else {
     main_thread_runner_->PostTask(FROM_HERE,
                                   base::Bind(&SetThreadPriorityToDefault));
   }
 #endif
 }
 
 }  // namespace content