base: Remove the string logging from CHECK().

chromecast/media/base/decrypt_context_impl.cc

Index: chromecast/media/base/decrypt_context_impl.cc
diff --git a/chromecast/media/base/decrypt_context_impl.cc b/chromecast/media/base/decrypt_context_impl.cc
index 07cd81e6540bbb0021d243efeaf08f91677828d9..5ae92909fd0aae108f0e2d5eaad441b5121d16e0 100644
--- a/chromecast/media/base/decrypt_context_impl.cc
+++ b/chromecast/media/base/decrypt_context_impl.cc
@@ -38,7 +38,8 @@ bool DecryptContextImpl::Decrypt(CastDecoderBuffer* buffer,
   bool success = false;
   DecryptAsync(buffer, output, data_offset,
                base::Bind(&BufferDecryptCB, &called, &success));
-  CHECK(called) << "Sync Decrypt isn't supported";
+  // Sync Decrypt isn't supported
+  CHECK(called);
 
   return success;
 }