Use CORS for fetching NaCl resources from extensions.

ppapi/native_client/src/trusted/plugin/manifest.h

Index: ppapi/native_client/src/trusted/plugin/manifest.h
diff --git a/ppapi/native_client/src/trusted/plugin/manifest.h b/ppapi/native_client/src/trusted/plugin/manifest.h
index 0ed7730819680a07edb5cd7956eab13cd8a9943f..77b3db3218daba27f14b0e0a4e3526ba96e6c63c 100644
--- a/ppapi/native_client/src/trusted/plugin/manifest.h
+++ b/ppapi/native_client/src/trusted/plugin/manifest.h
@@ -47,7 +47,6 @@ class Manifest {
   // Resolves a URL relative to the manifest base URL
   virtual bool ResolveURL(const nacl::string& relative_url,
                           nacl::string* full_url,
-                          bool* permit_extension_url,
                           ErrorInfo* error_info) const = 0;
 
   // Gets the file names from the "files" section of the manifest.  No
@@ -64,7 +63,6 @@ class Manifest {
   // representation or an ISA-specific version of the file.
   virtual bool ResolveKey(const nacl::string& key,
                           nacl::string* full_url,
-                          bool* permit_extension_url,
                           ErrorInfo* error_info,
                           bool* is_portable) const = 0;