base: Change DCHECK_IS_ON to a macro DCHECK_IS_ON().

extensions/renderer/resources/binding.js

Index: extensions/renderer/resources/binding.js
diff --git a/extensions/renderer/resources/binding.js b/extensions/renderer/resources/binding.js
index 9804b617a4f3fb24a6f0ec26a7adbecd1a57c917..2c0ae58d4a0775fc2e3c500d84be830c84bd5b48 100644
--- a/extensions/renderer/resources/binding.js
+++ b/extensions/renderer/resources/binding.js
@@ -317,7 +317,7 @@ Binding.prototype = {
         // TODO(aa): It would be best to run this in a unit test, but in order
         // to do that we would need to better factor this code so that it
         // doesn't depend on so much v8::Extension machinery.
-        if (logging.DCHECK_IS_ON() &&
+        if (!logging.DCHECK_IS_OFF() &&
             schemaUtils.isFunctionSignatureAmbiguous(apiFunction.definition)) {
           throw new Error(
               apiFunction.name + ' has ambiguous optional arguments. ' +
@@ -355,7 +355,7 @@ Binding.prototype = {
           sendRequestHandler.clearCalledSendRequest();
 
           // Validate return value if in sanity check mode.
-          if (logging.DCHECK_IS_ON() && this.definition.returns)
+          if (!logging.DCHECK_IS_OFF() && this.definition.returns)
             schemaUtils.validate([retval], [this.definition.returns]);
           return retval;
         }, apiFunction);