Revert of Minor changes to allow Pepper InstancePrivate tests to pass with gin

content/renderer/pepper/pepper_try_catch.h

 // Copyright 2014 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 CONTENT_RENDERER_PEPPER_PEPPER_TRY_CATCH_H_
 #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"
 
 namespace content {
 
 class PepperPluginInstanceImpl;
 
 // Base class for scripting TryCatch helpers.
-class CONTENT_EXPORT PepperTryCatch {
+class PepperTryCatch {
  public:
   PepperTryCatch(PepperPluginInstanceImpl* instance,
                  bool convert_objects);
   virtual ~PepperTryCatch();
 
   virtual void SetException(const char* message) = 0;
   // Gets the plugin context. Virtual so it can be overriden for testing.
   virtual v8::Handle<v8::Context> GetContext();
 
   // Convenience functions for doing conversions to/from V8 values and sets an
@@ skipping 56 matching lines @@
 
   PP_Var* exception_;
   bool exception_is_set_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperTryCatchVar);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_TRY_CATCH_H_