Change DCHECK_IS_ON() to DCHECK_IS_ON

chrome/renderer/extensions/chrome_v8_context_set.cc

Index: chrome/renderer/extensions/chrome_v8_context_set.cc
diff --git a/chrome/renderer/extensions/chrome_v8_context_set.cc b/chrome/renderer/extensions/chrome_v8_context_set.cc
index 391f3ad49d44e34c37c5fa65ede03a1f92f601b2..74a0a6d21e7cb47f3055b47e4a3daa81ff085a9f 100644
--- a/chrome/renderer/extensions/chrome_v8_context_set.cc
+++ b/chrome/renderer/extensions/chrome_v8_context_set.cc
@@ -35,16 +35,16 @@ int ChromeV8ContextSet::size() const {
 }
 
 void ChromeV8ContextSet::Add(ChromeV8Context* context) {
-  if (DCHECK_IS_ON()) {
-    // It's OK to insert the same context twice, but we should only ever have
-    // one ChromeV8Context per v8::Context.
-    for (ContextSet::iterator iter = contexts_.begin(); iter != contexts_.end();
-        ++iter) {
-      ChromeV8Context* candidate = *iter;
-      if (candidate != context)
-        DCHECK(candidate->v8_context() != context->v8_context());
-    }
+#if DCHECK_IS_ON
+  // It's OK to insert the same context twice, but we should only ever have
+  // one ChromeV8Context per v8::Context.
+  for (ContextSet::iterator iter = contexts_.begin(); iter != contexts_.end();
+      ++iter) {
+    ChromeV8Context* candidate = *iter;
+    if (candidate != context)
+      DCHECK(candidate->v8_context() != context->v8_context());
   }
+#endif
   contexts_.insert(context);
 }