base: Remove the string logging from CHECK().

media/audio/fake_audio_input_stream.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 "media/audio/fake_audio_input_stream.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 98 matching lines @@
   DCHECK(audio_manager_->GetWorkerTaskRunner()->BelongsToCurrentThread());
 
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kUseFileForFakeAudioCapture)) {
     base::CommandLine::StringType switch_value =
         base::CommandLine::ForCurrentProcess()->GetSwitchValueNative(
             switches::kUseFileForFakeAudioCapture);
     base::CommandLine::StringVector parameters =
         base::SplitString(switch_value, FILE_PATH_LITERAL("%"),
                           base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
-    CHECK(parameters.size() > 0) << "You must pass <file>[%noloop] to  --"
-                                 << switches::kUseFileForFakeAudioCapture
-                                 << ".";
+    LOG_IF(FATAL, parameters.empty()) << "You must pass <file>[%noloop] to  --"
+                                      << switches::kUseFileForFakeAudioCapture
+                                      << ".";
+
     base::FilePath path_to_wav_file = base::FilePath(parameters[0]);
     bool looping = true;
     if (parameters.size() == 2) {
-      CHECK(parameters[1] == FILE_PATH_LITERAL("noloop"))
-          << "Unknown parameter " << parameters[1] << " to "
-          << switches::kUseFileForFakeAudioCapture << ".";
+      CHECK(parameters[1] == FILE_PATH_LITERAL("noloop"));
       looping = false;
     }
     return base::MakeUnique<FileSource>(params_, path_to_wav_file, looping);
   }
   return base::MakeUnique<BeepingSource>(params_);
 }
 
 void FakeAudioInputStream::BeepOnce() {
   BeepingSource::BeepOnce();
 }
 
 }  // namespace media