use EXTENSION_FUNCTION_VALIDATE

chrome/browser/extensions/extension_function.h

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_
 
 #include <string>
 
 #include "base/values.h"
 #include "base/scoped_ptr.h"
 
 class ExtensionFunctionDispatcher;
 class Profile;
 
 #define EXTENSION_FUNCTION_VALIDATE(test) do { \
-    if (!test) { \
+    if (!(test)) { \
       bad_message_ = true; \
       return false; \
     } \
   } while (0)
 
 // Base class for an extension function.
 // TODO(aa): This will have to become reference counted when we introduce APIs
 // that live beyond a single stack frame.
 class ExtensionFunction {
  public:
@@ skipping 71 matching lines @@
 
   virtual void Run() {
     SendResponse(RunImpl());
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SyncExtensionFunction);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_FUNCTION_H_