Migrate *-ime-thread switches to feature API

content/renderer/render_widget.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_widget.h"
 
 #include <utility>
 
 #include "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/command_line.h"
+#include "base/feature_list.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/sys_info.h"
 #include "base/trace_event/trace_event.h"
 #include "base/trace_event/trace_event_synthetic_delay.h"
 #include "build/build_config.h"
 #include "cc/base/switches.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/output_surface.h"
 #include "cc/scheduler/begin_frame_source.h"
 #include "cc/trees/layer_tree_host.h"
 #include "components/scheduler/renderer/render_widget_scheduling_state.h"
 #include "components/scheduler/renderer/renderer_scheduler.h"
 #include "content/child/npapi/webplugin.h"
 #include "content/common/content_switches_internal.h"
 #include "content/common/gpu/client/context_provider_command_buffer.h"
 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/common/input/synthetic_gesture_packet.h"
 #include "content/common/input/web_input_event_traits.h"
 #include "content/common/input_messages.h"
 #include "content/common/swapped_out_messages.h"
 #include "content/common/view_messages.h"
+#include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/renderer/cursor_utils.h"
 #include "content/renderer/devtools/render_widget_screen_metrics_emulator.h"
 #include "content/renderer/external_popup_menu.h"
 #include "content/renderer/gpu/compositor_output_surface.h"
 #include "content/renderer/gpu/delegated_compositor_output_surface.h"
 #include "content/renderer/gpu/frame_swap_message_queue.h"
 #include "content/renderer/gpu/mailbox_output_surface.h"
 #include "content/renderer/gpu/queue_message_swap_promise.h"
@@ skipping 1691 matching lines @@
 void RenderWidget::set_next_paint_is_resize_ack() {
   next_paint_flags_ |= ViewHostMsg_UpdateRect_Flags::IS_RESIZE_ACK;
 }
 
 void RenderWidget::set_next_paint_is_repaint_ack() {
   next_paint_flags_ |= ViewHostMsg_UpdateRect_Flags::IS_REPAINT_ACK;
 }
 
 bool RenderWidget::IsUsingImeThread() {
 #if defined(OS_ANDROID)
-  return base::CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kEnableImeThread) &&
-      !base::CommandLine::ForCurrentProcess()->HasSwitch(
-      switches::kDisableImeThread);
+  return base::FeatureList::IsEnabled(features::kImeThread);
 #else
   return false;
 #endif
 }
 
 void RenderWidget::OnImeEventGuardStart(ImeEventGuard* guard) {
   if (!ime_event_guard_)
     ime_event_guard_ = guard;
 }
 
@@ skipping 393 matching lines @@
 }
 
 float RenderWidget::GetOriginalDeviceScaleFactor() const {
   return
       screen_metrics_emulator_ ?
       screen_metrics_emulator_->original_screen_info().deviceScaleFactor :
       device_scale_factor_;
 }
 
 }  // namespace content