base: Remove the string logging from CHECK().

components/json_schema/json_schema_validator.cc

Index: components/json_schema/json_schema_validator.cc
diff --git a/components/json_schema/json_schema_validator.cc b/components/json_schema/json_schema_validator.cc
index 695b8c96dc89b59faebc8aa046f058dbb58ef7f9..029435bc6b71d8debb528704081d7fa10a1f9abd 100644
--- a/components/json_schema/json_schema_validator.cc
+++ b/components/json_schema/json_schema_validator.cc
@@ -29,8 +29,8 @@ namespace {
 
 double GetNumberValue(const base::Value* value) {
   double result = 0;
-  CHECK(value->GetAsDouble(&result))
-      << "Unexpected value type: " << value->GetType();
+  // Unexpected value type.
+  CHECK(value->GetAsDouble(&result));
   return result;
 }