Replace base::str[n]casecmp with helper functions.

media/video/capture/fake_video_capture_device_factory.cc

 // Copyright 2014 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/video/capture/fake_video_capture_device_factory.h"
 
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "media/base/media_switches.h"
 #include "media/video/capture/fake_video_capture_device.h"
 
 namespace media {
 
 FakeVideoCaptureDeviceFactory::FakeVideoCaptureDeviceFactory()
     : number_of_devices_(1) {
 }
 
 scoped_ptr<VideoCaptureDevice> FakeVideoCaptureDeviceFactory::Create(
     const VideoCaptureDevice::Name& device_name) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   const std::string option = base::CommandLine::ForCurrentProcess()->
      GetSwitchValueASCII(switches::kUseFakeDeviceForMediaStream);
 
   FakeVideoCaptureDevice::FakeVideoCaptureDeviceType fake_vcd_type;
   if (option.empty())
     fake_vcd_type = FakeVideoCaptureDevice::USING_OWN_BUFFERS;
-  else if (base:: strcasecmp(option.c_str(), "triplanar") == 0)
+  else if (base::EqualsCaseInsensitiveASCII(option, "triplanar"))
     fake_vcd_type = FakeVideoCaptureDevice::USING_OWN_BUFFERS_TRIPLANAR;
   else
     fake_vcd_type = FakeVideoCaptureDevice::USING_CLIENT_BUFFERS;
 
   for (int n = 0; n < number_of_devices_; ++n) {
     std::string possible_id = base::StringPrintf("/dev/video%d", n);
     if (device_name.id().compare(possible_id) == 0) {
       return scoped_ptr<VideoCaptureDevice>(
           new FakeVideoCaptureDevice(fake_vcd_type));
     }
@@ skipping 32 matching lines @@
                                        gfx::Size(1280, 720),
                                        gfx::Size(1920, 1080)};
   supported_formats->clear();
   for (const auto& size : supported_sizes) {
     supported_formats->push_back(
         VideoCaptureFormat(size, frame_rate, media::PIXEL_FORMAT_I420));
   }
 }
 
 }  // namespace media