Implement the file chooser as a new resource "host"

content/renderer/pepper/pepper_in_process_resource_creation.h

Index: content/renderer/pepper/pepper_in_process_resource_creation.h
diff --git a/content/renderer/pepper/pepper_in_process_resource_creation.h b/content/renderer/pepper/pepper_in_process_resource_creation.h
index 0c377cf0fd2727d6cc8f392ecba51fe0f9dc5910..1786f7799b69d4fec2376a6b8567d1f536bfbe21 100644
--- a/content/renderer/pepper/pepper_in_process_resource_creation.h
+++ b/content/renderer/pepper/pepper_in_process_resource_creation.h
@@ -37,6 +37,12 @@ class PepperInProcessResourceCreation
                                   webkit::ppapi::PluginInstance* instance);
   virtual ~PepperInProcessResourceCreation();
 
+  // ResourceCreation_API implementation.
+  PP_Resource PepperInProcessResourceCreation::CreateFileChooser(
+      PP_Instance instance,
+      PP_FileChooserMode_Dev mode,
+      const char* accept_types);
+
  private:
   class HostToPluginRouter;
   scoped_ptr<HostToPluginRouter> host_to_plugin_router_;