base: Remove the string logging from CHECK().

third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp

Index: third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp
diff --git a/third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp b/third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp
index 10a3d8ec2ed5418826674bf613ebc3e432f12bff..9c652f3faf68fd007b2ff152581c21a4362d6e3c 100644
--- a/third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp
+++ b/third_party/WebKit/Source/modules/webaudio/DeferredTaskHandler.cpp
@@ -59,8 +59,9 @@ void DeferredTaskHandler::offlineLock() {
   // CHECK is here to make sure to explicitly crash if this is called from
   // other than the offline render thread, which is considered as the audio
   // thread in OfflineAudioContext.
-  CHECK(isAudioThread()) << "DeferredTaskHandler::offlineLock() must be called "
-                            "within the offline audio thread.";
+  // DeferredTaskHandler::offlineLock() must be called within the offline audio
+  // thread.
+  CHECK(isAudioThread());
 
   m_contextGraphMutex.lock();
 }