Tiny correction

extensions/browser/extension_function.h

 // Copyright 2013 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 EXTENSIONS_BROWSER_EXTENSION_FUNCTION_H_
 #define EXTENSIONS_BROWSER_EXTENSION_FUNCTION_H_
 
 #include <list>
 #include <string>
 
@@ skipping 535 matching lines @@
 class AsyncExtensionFunction : public UIThreadExtensionFunction {
  public:
   AsyncExtensionFunction();
 
  protected:
   virtual ~AsyncExtensionFunction();
 
   // Deprecated: Override UIThreadExtensionFunction and implement Run() instead.
   //
   // AsyncExtensionFunctions implement this method. Return true to indicate that
-  // nothing has gone wrong yet; SendResponse must be called later. Return true
+  // nothing has gone wrong yet; SendResponse must be called later. Return false
   // to respond immediately with an error.
   virtual bool RunAsync() = 0;
 
   // ValidationFailure override to match RunAsync().
   static bool ValidationFailure(AsyncExtensionFunction* function);
 
  private:
   virtual ResponseAction Run() OVERRIDE;
 };
 
@@ skipping 39 matching lines @@
   virtual bool RunSync() = 0;
 
   // ValidationFailure override to match RunSync().
   static bool ValidationFailure(SyncIOThreadExtensionFunction* function);
 
  private:
   virtual ResponseAction Run() OVERRIDE;
 };
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_FUNCTION_H_