base: Remove the string logging from CHECK().

ui/aura/test/aura_test_base.cc

Index: ui/aura/test/aura_test_base.cc
diff --git a/ui/aura/test/aura_test_base.cc b/ui/aura/test/aura_test_base.cc
index 672c3dfe46712ff5c2edb010511a4a410c5a59ad..c6c5c324849da4006092245259aa64e21d3f22f2 100644
--- a/ui/aura/test/aura_test_base.cc
+++ b/ui/aura/test/aura_test_base.cc
@@ -25,10 +25,10 @@ AuraTestBase::AuraTestBase()
     : window_manager_delegate_(this), window_tree_client_delegate_(this) {}
 
 AuraTestBase::~AuraTestBase() {
-  CHECK(setup_called_)
-      << "You have overridden SetUp but never called super class's SetUp";
-  CHECK(teardown_called_)
-      << "You have overridden TearDown but never called super class's TearDown";
+  // You have overridden SetUp but never called super class's SetUp
+  CHECK(setup_called_);
+  // You have overridden TearDown but never called super class's TearDown
+  CHECK(teardown_called_);
 }
 
 void AuraTestBase::SetUp() {