Remove legacy StartsWithASCII function.

media/renderers/video_renderer_impl.cc

 // Copyright 2013 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 "media/renderers/video_renderer_impl.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
@@ skipping 19 matching lines @@
 // http://crbug.com/485699 for details.
 static bool ShouldUseVideoRenderingPath() {
   // Note: It's important to query the field trial state first, to ensure that
   // UMA reports the correct group.
   const std::string group_name =
       base::FieldTrialList::FindFullName("NewVideoRendererTrial");
   const bool disabled_via_cli =
       base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableNewVideoRenderer);
   return !disabled_via_cli &&
-         !base::StartsWithASCII(group_name, "Disabled", true);
+         !base::StartsWith(group_name, "Disabled",
+                           base::CompareCase::SENSITIVE);
 }
 
 VideoRendererImpl::VideoRendererImpl(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
     VideoRendererSink* sink,
     ScopedVector<VideoDecoder> decoders,
     bool drop_frames,
     const scoped_refptr<GpuVideoAcceleratorFactories>& gpu_factories,
     const scoped_refptr<MediaLog>& media_log)
     : task_runner_(task_runner),
@@ skipping 725 matching lines @@
 base::TimeTicks VideoRendererImpl::ConvertMediaTimestamp(
     base::TimeDelta media_time) {
   std::vector<base::TimeDelta> media_times(1, media_time);
   std::vector<base::TimeTicks> wall_clock_times;
   if (!wall_clock_time_cb_.Run(media_times, &wall_clock_times))
     return base::TimeTicks();
   return wall_clock_times[0];
 }
 
 }  // namespace media