[Mac] Enable AppNap for renderers

content/renderer/render_thread_impl.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/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <utility>
@@ skipping 171 matching lines @@
 #if defined(OS_ANDROID)
 #include <cpu-features.h>
 #include "content/renderer/android/synchronous_compositor_filter.h"
 #include "content/renderer/android/synchronous_compositor_frame_sink.h"
 #include "content/renderer/media/android/stream_texture_factory.h"
 #include "media/base/android/media_codec_util.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include "base/mac/mac_util.h"
+#include "base/process/process.h"
+#include "content/common/mac/app_nap_activity.h"
 #include "content/renderer/theme_helper_mac.h"
 #include "content/renderer/webscrollbarbehavior_impl_mac.h"
 #endif
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <objbase.h>
 #endif
 
 #if BUILDFLAG(ENABLE_WEBRTC)
@@ skipping 590 matching lines @@
   is_gpu_memory_buffer_compositor_resources_enabled_ = command_line.HasSwitch(
       switches::kEnableGpuMemoryBufferCompositorResources);
 
 #if defined(OS_MACOSX)
   base::ScopedCFTypeRef<CFStringRef> key(
       base::SysUTF8ToCFStringRef("NSScrollViewRubberbanding"));
   Boolean key_exists = false;
   Boolean value = CFPreferencesGetAppBooleanValue(
       key, kCFPreferencesCurrentApplication, &key_exists);
   is_elastic_overscroll_enabled_ = !key_exists || value;
+
+  if (base::Process::IsAppNapEnabled()) {
+    AppNapActivity::InitializeAppNapSupport();
+  }
 #else
   is_elastic_overscroll_enabled_ = false;
 #endif
 
   std::string image_texture_target_string =
       command_line.GetSwitchValueASCII(switches::kContentImageTextureTarget);
   buffer_to_texture_target_map_ =
       cc::StringToBufferToTextureTargetMap(image_texture_target_string);
 
   if (command_line.HasSwitch(switches::kDisableLCDText)) {
@@ skipping 1679 matching lines @@
   }
 }
 
 void RenderThreadImpl::OnRendererInterfaceRequest(
     mojom::RendererAssociatedRequest request) {
   DCHECK(!renderer_binding_.is_bound());
   renderer_binding_.Bind(std::move(request));
 }
 
 }  // namespace content