Remove uses NON_EXPORTED_BASE now that it's a no-op.

CL generated by

   git grep -l NON_EXPORTED_BASE | xargs sed -i 's/NON_EXPORTED_BASE(\([^)]*\))/\1/g'
   git cl format

I'm not changing compiler_specific.h itself in this cl, to keep the revert
small if the subsequent removal of the actual macro should break something.

Bug: 752837
Cq-Include-Trybots: master.tryserver.blink:linux_trusty_blink_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_site_isolation;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: I53d6460e592b91a173f7aa55dfdb05631e51e5f7
Reviewed-on: https://chromium-review.googlesource.com/614703
Reviewed-by: Brett Wilson <[email protected]>
Cr-Commit-Position: refs/heads/master@{#494486}
diff --git a/ppapi/proxy/url_response_info_resource.h b/ppapi/proxy/url_response_info_resource.h
index 506b4d36..6b0678b7 100644
--- a/ppapi/proxy/url_response_info_resource.h
+++ b/ppapi/proxy/url_response_info_resource.h
@@ -18,7 +18,7 @@
 
 class PPAPI_PROXY_EXPORT URLResponseInfoResource
     : public PluginResource,
-      public NON_EXPORTED_BASE(thunk::PPB_URLResponseInfo_API) {
+      public thunk::PPB_URLResponseInfo_API {
  public:
   // The file_ref_resource should be the body_as_file_ref host resource in the
   // |data| converted to a resource valid in the current process (if we're