Minor changes to allow Pepper InstancePrivate tests to pass with gin

content/renderer/pepper/pepper_try_catch.h

Index: content/renderer/pepper/pepper_try_catch.h
diff --git a/content/renderer/pepper/pepper_try_catch.h b/content/renderer/pepper/pepper_try_catch.h
index f82c0c31080ca2b14710458e0c458da9982ab930..6b767175e2a3bc88d558d505f6b310e308239afa 100644
--- a/content/renderer/pepper/pepper_try_catch.h
+++ b/content/renderer/pepper/pepper_try_catch.h
@@ -6,6 +6,7 @@
 #define CONTENT_RENDERER_PEPPER_PEPPER_TRY_CATCH_H_
 
 #include "base/basictypes.h"
+#include "content/common/content_export.h"
 #include "ppapi/c/pp_var.h"
 #include "ppapi/shared_impl/scoped_pp_var.h"
 #include "v8/include/v8.h"
@@ -15,7 +16,7 @@ namespace content {
 class PepperPluginInstanceImpl;
 
 // Base class for scripting TryCatch helpers.
-class PepperTryCatch {
+class CONTENT_EXPORT PepperTryCatch {
  public:
   PepperTryCatch(PepperPluginInstanceImpl* instance,
                  bool convert_objects);