Add exports needed for glue to build as a component.

webkit/plugins/ppapi/plugin_module.h

Index: webkit/plugins/ppapi/plugin_module.h
diff --git a/webkit/plugins/ppapi/plugin_module.h b/webkit/plugins/ppapi/plugin_module.h
index 231f18baa1de4f8b41a4c7298883f2440852d929..dc2eaffe00fe19105c171e43daebce409b688fb5 100644
--- a/webkit/plugins/ppapi/plugin_module.h
+++ b/webkit/plugins/ppapi/plugin_module.h
@@ -21,6 +21,7 @@
 #include "ppapi/c/pp_module.h"
 #include "ppapi/c/ppb.h"
 #include "webkit/plugins/ppapi/plugin_delegate.h"
+#include "webkit/plugins/webkit_plugins_export.h"
 
 class FilePath;
 struct PPB_Core;
@@ -42,8 +43,9 @@ class PluginInstance;
 //
 // Note: to get from a PP_Instance to a PluginInstance*, use the
 // ResourceTracker.
-class PluginModule : public base::RefCounted<PluginModule>,
-                     public base::SupportsWeakPtr<PluginModule> {
+class WEBKIT_PLUGINS_EXPORT PluginModule :
+    public base::RefCounted<PluginModule>,
+    public base::SupportsWeakPtr<PluginModule> {
  public:
   typedef const void* (*GetInterfaceFunc)(const char*);
   typedef int (*PPP_InitializeModuleFunc)(PP_Module, PPB_GetInterface);
@@ -51,7 +53,7 @@ class PluginModule : public base::RefCounted<PluginModule>,
 
   struct EntryPoints {
     // This structure is POD, with the constructor initializing to NULL.
-    EntryPoints();
+    WEBKIT_PLUGINS_EXPORT EntryPoints();
 
     GetInterfaceFunc get_interface;
     PPP_InitializeModuleFunc initialize_module;