base: Remove the string logging from CHECK().

content/browser/renderer_host/media/audio_renderer_host_unittest.cc

Index: content/browser/renderer_host/media/audio_renderer_host_unittest.cc
diff --git a/content/browser/renderer_host/media/audio_renderer_host_unittest.cc b/content/browser/renderer_host/media/audio_renderer_host_unittest.cc
index 04b7209b10fd07ec065651ff22dc1b44a9331a7c..0b260c4fa3da2a1d0b53c7f29bb9dfd6ac91f7db 100644
--- a/content/browser/renderer_host/media/audio_renderer_host_unittest.cc
+++ b/content/browser/renderer_host/media/audio_renderer_host_unittest.cc
@@ -275,10 +275,9 @@ class AudioRendererHostTest : public testing::Test {
         base::Bind(
             [](std::string* out, const MediaDeviceEnumeration& result) {
               // Index 0 is default, so use 1. Always exists because we use
-              // fake devices.
+              // fake devices. We expect to have a nondefault device.
               CHECK(result[MediaDeviceType::MEDIA_DEVICE_TYPE_AUDIO_OUTPUT]
-                        .size() > 1)
-                  << "Expected to have a nondefault device.";
+                        .size() > 1);
               *out = result[MediaDeviceType::MEDIA_DEVICE_TYPE_AUDIO_OUTPUT][1]
                          .device_id;
             },
@@ -299,11 +298,10 @@ class AudioRendererHostTest : public testing::Test {
         devices_to_enumerate,
         base::Bind(
             // Index 0 is default, so use 1. Always exists because we use
-            // fake devices.
+            // fake devices. We expect to have a nondefault device.
             [](std::string* out, const MediaDeviceEnumeration& result) {
               CHECK(result[MediaDeviceType::MEDIA_DEVICE_TYPE_AUDIO_INPUT]
-                        .size() > 1)
-                  << "Expected to have a nondefault device.";
+                        .size() > 1);
               *out = result[MediaDeviceType::MEDIA_DEVICE_TYPE_AUDIO_INPUT][1]
                          .device_id;
             },