prune down content_dll change to just the CONTENT_EXPORTS

content/renderer/v8_value_converter.h

Index: content/renderer/v8_value_converter.h
diff --git a/content/renderer/v8_value_converter.h b/content/renderer/v8_value_converter.h
index 6c3c6a924424e3323d8318dd2783fa6bcb87c620..4c74f2f66ac3ed714e91150007ad5e7f809d5c4f 100644
--- a/content/renderer/v8_value_converter.h
+++ b/content/renderer/v8_value_converter.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_RENDERER_V8_VALUE_CONVERTER_H_
 #define CHROME_RENDERER_V8_VALUE_CONVERTER_H_
 
+#include "content/common/content_export.h"
 #include "v8/include/v8.h"
 
 namespace base {
@@ -20,7 +21,7 @@ class Value;
 // Only the JSON types (null, boolean, string, number, array, and object) are
 // supported by default. Additional types can be allowed with e.g.
 // set_allow_date(), set_allow_regexp().
-class V8ValueConverter {
+class CONTENT_EXPORT V8ValueConverter {
  public:
   V8ValueConverter();