base: Remove the string logging from CHECK().

chrome/browser/media/webrtc/webrtc_browsertest_audio.cc

Index: chrome/browser/media/webrtc/webrtc_browsertest_audio.cc
diff --git a/chrome/browser/media/webrtc/webrtc_browsertest_audio.cc b/chrome/browser/media/webrtc/webrtc_browsertest_audio.cc
index 3ed59478f354a22a1b6f7fbaa3d52c21cf3b7a2d..849e7df137aac4620553ef798e4f94372350bdbd 100644
--- a/chrome/browser/media/webrtc/webrtc_browsertest_audio.cc
+++ b/chrome/browser/media/webrtc/webrtc_browsertest_audio.cc
@@ -23,7 +23,8 @@ std::unique_ptr<char[]> ReadWavFile(const base::FilePath& wav_filename,
   base::File wav_file(
       wav_filename, base::File::FLAG_OPEN | base::File::FLAG_READ);
   if (!wav_file.IsValid()) {
-    CHECK(false) << "Failed to read " << wav_filename.value();
+    // Failed to read |wav_filename.value()|
+    CHECK(false);
     return nullptr;
   }
 
@@ -57,8 +58,8 @@ float ComputeAudioEnergyForWavFile(const base::FilePath& wav_filename,
 
   size_t bytes_written;
   wav_audio_handler->CopyTo(audio_bus.get(), 0, &bytes_written);
-  CHECK_EQ(bytes_written, wav_audio_handler->data().size())
-      << "Expected to write entire file into bus.";
+  // Expected to write entire file into bus.
+  CHECK_EQ(bytes_written, wav_audio_handler->data().size());
 
   // Set the filter coefficient to the whole file's duration; this will make the
   // power monitor take the entire file into account.