Add exports needed for glue to build as a component.

webkit/glue/cpp_binding_example.h

 // Copyright (c) 2011 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.
 
 /*
   CppBindingExample class:
   This provides an example of how to use the CppBoundClass to create methods
   and properties that can be exposed to JavaScript by an appropriately built
   embedding client. It is also used by the CppBoundClass unit test.
 
@@ skipping 16 matching lines @@
       example.my_other_value = 2.1;
       document.writeln(example.plus(example.my_value, example.my_other_value));
     }
   </script>
 */
 
 #ifndef CPP_BINDING_EXAMPLE_H__
 #define CPP_BINDING_EXAMPLE_H__
 
 #include "webkit/glue/cpp_bound_class.h"
+#include "webkit/glue/webkit_glue_export.h"
 
 class CppBindingExample : public CppBoundClass {
  public:
   // The default constructor initializes the property and method lists needed
   // to bind this class to a JS object.
-  CppBindingExample();
+  WEBKIT_GLUE_EXPORT CppBindingExample();
 
   //
   // These public member variables and methods implement the methods and
   // properties that will be exposed to JavaScript. If needed, the class could
   // also contain other methods or variables, which will be hidden from JS
   // as long as they're not mapped in the property and method lists created in
   // the constructor.
   //
   // The signatures of any methods to be bound must match
   // CppBoundClass::Callback.
@@ skipping 16 matching lines @@
   // Invoked when a nonexistent method is called on this example object, this
   // prints an error message.
   void fallbackMethod(const CppArgumentList& args, CppVariant* result);
 
   // These properties will also be exposed to JavaScript.
   CppVariant my_value;
   CppVariant my_other_value;
 };
 
 #endif  // CPP_BINDING_EXAMPLE_H__