cc: Set ui/gpu/cc/ipc/upload/raster thread priorities.

ui/gl/async_pixel_transfer_delegate_android.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 "ui/gl/async_pixel_transfer_delegate_android.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/process_util.h"
 #include "base/shared_memory.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
 #include "ui/gl/async_pixel_transfer_delegate.h"
 #include "ui/gl/async_pixel_transfer_delegate_stub.h"
 #include "ui/gl/egl_util.h"
 #include "ui/gl/gl_bindings.h"
 #include "ui/gl/gl_context.h"
 #include "ui/gl/gl_surface_egl.h"
 
+// TODO(epenner): Move thread priorities to base. (crbug.com/170549)
+#include <sys/resource.h>
+
 using base::SharedMemory;
 using base::SharedMemoryHandle;
 
 namespace gfx {
 
 namespace {
 
 const char kAsyncTransferThreadName[] = "AsyncTransferThread";
 
 bool CheckErrors(const char* file, int line) {
@@ skipping 53 matching lines @@
   virtual void Init() OVERRIDE {
     GLShareGroup* share_group = NULL;
     bool software = false;
     surface_ = new gfx::PbufferGLSurfaceEGL(software, gfx::Size(1,1));
     surface_->Initialize();
     context_ = gfx::GLContext::CreateGLContext(share_group,
                                                surface_,
                                                gfx::PreferDiscreteGpu);
     bool is_current = context_->MakeCurrent(surface_);
     DCHECK(is_current);
+
+    // TODO(epenner): Move thread priorities to base. (crbug.com/170549)
+    int nice_value = 10; // Idle priority.
+    setpriority(PRIO_PROCESS, base::PlatformThread::CurrentId(), nice_value);
   }
 
   virtual void CleanUp() OVERRIDE {
     surface_ = NULL;
     context_->ReleaseCurrent(surface_);
     context_ = NULL;
   }
 
  private:
   scoped_refptr<gfx::GLContext> context_;
@@ skipping 506 matching lines @@
         tex_params.type,
         data);
   }
   WaitForGl();
 
   DCHECK(CHECK_GL());
   state->last_transfer_time_ = base::TimeTicks::HighResNow() - begin_time;
 }
 
 }  // namespace gfx