Pepper: Move FileRef to the "new" resource proxy.

chrome/renderer/pepper/pepper_flash_drm_renderer_host.h

Index: chrome/renderer/pepper/pepper_flash_drm_renderer_host.h
diff --git a/chrome/renderer/pepper/pepper_flash_drm_renderer_host.h b/chrome/renderer/pepper/pepper_flash_drm_renderer_host.h
index f7247d6fc6ffae5b500be84339950a31b6ef1da6..07413dce084cd840c4b076d00a0afd9377700ec3 100644
--- a/chrome/renderer/pepper/pepper_flash_drm_renderer_host.h
+++ b/chrome/renderer/pepper/pepper_flash_drm_renderer_host.h
@@ -7,8 +7,13 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/memory/weak_ptr.h"
 #include "ppapi/host/resource_host.h"
 
+namespace base {
+class FilePath;
+}
+
 namespace content {
 class RendererPpapiHost;
 }
@@ -31,9 +36,15 @@ class PepperFlashDRMRendererHost : public ppapi::host::ResourceHost {
  private:
   int32_t OnGetVoucherFile(ppapi::host::HostMessageContext* context);
 
+  void DidCreateResourceHost(ppapi::host::ReplyMessageContext reply_context,
+                             const base::FilePath& external_path,
+                             int pending_resource_id);
+
   // Non-owning pointer.
   content::RendererPpapiHost* renderer_ppapi_host_;
 
+  base::WeakPtrFactory<PepperFlashDRMRendererHost> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(PepperFlashDRMRendererHost);
 };