Enable FeatureList for the GPU process.

content/ppapi_plugin/ppapi_plugin_main.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 "base/base_paths.h"
 #include "base/command_line.h"
 #include "base/debug/crash_logging.h"
 #include "base/debug/debugger.h"
-#include "base/feature_list.h"
 #include "base/files/file_path.h"
 #include "base/i18n/rtl.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
 #include "base/threading/platform_thread.h"
 #include "build/build_config.h"
 #include "content/child/child_process.h"
 #include "content/common/content_constants_internal.h"
 #include "content/common/sandbox_linux/sandbox_linux.h"
 #include "content/ppapi_plugin/ppapi_thread.h"
@@ skipping 96 matching lines @@
 
 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
   gin::V8Initializer::LoadV8Snapshot();
   gin::V8Initializer::LoadV8Natives();
 #endif
 
 #if defined(OS_LINUX)
   LinuxSandbox::InitializeSandbox();
 #endif
 
-  std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
-  feature_list->InitializeFromCommandLine(
-      command_line.GetSwitchValueASCII(switches::kEnableFeatures),
-      command_line.GetSwitchValueASCII(switches::kDisableFeatures));
-  base::FeatureList::SetInstance(std::move(feature_list));
-
   ChildProcess ppapi_process;
   ppapi_process.set_main_thread(
       new PpapiThread(parameters.command_line, false));  // Not a broker.
 
 #if defined(OS_WIN)
   if (!base::win::IsUser32AndGdi32Available())
     gfx::win::MaybeInitializeDirectWrite();
   InitializeDWriteFontProxy();
 
   blink::WebFontRendering::setDeviceScaleFactor(display::win::GetDPIScale());
 #endif
 
   main_message_loop.Run();
 
 #if defined(OS_WIN)
   UninitializeDWriteFontProxy();
 #endif
   return 0;
 }
 
 }  // namespace content