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

content/public/renderer/renderer_ppapi_host.h

Index: content/public/renderer/renderer_ppapi_host.h
diff --git a/content/public/renderer/renderer_ppapi_host.h b/content/public/renderer/renderer_ppapi_host.h
index 329961e93e0a138a918a3de845118273a15b33e5..5b3cd1776d00760e596c6148a481d7e669da4939 100644
--- a/content/public/renderer/renderer_ppapi_host.h
+++ b/content/public/renderer/renderer_ppapi_host.h
@@ -47,6 +47,11 @@ class RendererPpapiHost {
  public:
   // Returns the RendererPpapiHost associated with the given PP_Instance,
   // or NULL if the instance is invalid.
+  //
+  // Do NOT use this when dealing with the "NaCl trusted plugin". That plugin
+  // and the "untrusted plugin" (the NaCl application) that will be loaded
+  // share a PP_Instance, and the RendererPpapiHost* for the "untrusted plugin"
+  // will be returned.

[dmichael (off chromium), 2013/08/08 21:24:03]

Is that true always, or only after we switch the proxy on?
(I.e., I think maybe we switch from in-process to the "untrusted plugin"
somewhere in all this:
https://code.google.com/p/chromium/codesearch#chromium/src/content/renderer/p...
)

[teravest, 2013/08/09 02:00:08]

Done.

   CONTENT_EXPORT static RendererPpapiHost* GetForPPInstance(
       PP_Instance instance);