base: Remove the string logging from CHECK().

media/test/pipeline_integration_test_base.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/test/pipeline_integration_test_base.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
@@ skipping 164 matching lines @@
 }
 
 PipelineStatus PipelineIntegrationTestBase::StartWithFile(
     const std::string& filename,
     CdmContext* cdm_context,
     uint8_t test_type,
     ScopedVector<VideoDecoder> prepend_video_decoders,
     ScopedVector<AudioDecoder> prepend_audio_decoders) {
   std::unique_ptr<FileDataSource> file_data_source(new FileDataSource());
   base::FilePath file_path(GetTestDataFilePath(filename));
-  CHECK(file_data_source->Initialize(file_path)) << "Is " << file_path.value()
-                                                 << " missing?";
+  //  missing?
+  // Is |file_path.value()|.
+  CHECK(file_data_source->Initialize(file_path));
   return StartInternal(std::move(file_data_source), cdm_context, test_type,
                        std::move(prepend_video_decoders),
                        std::move(prepend_audio_decoders));
 }
 
 PipelineStatus PipelineIntegrationTestBase::Start(const std::string& filename) {
   return StartWithFile(filename, nullptr, kNormal);
 }
 
 PipelineStatus PipelineIntegrationTestBase::Start(const std::string& filename,
@@ skipping 235 matching lines @@
   DCHECK(clockless_playback_);
   return clockless_audio_sink_->render_time();
 }
 
 base::TimeTicks DummyTickClock::NowTicks() {
   now_ += base::TimeDelta::FromSeconds(60);
   return now_;
 }
 
 }  // namespace media