nacl sdk: add PPB_VideoEncoder example

native_client_sdk/src/examples/api/video_encode/video_encode.cc

Index: native_client_sdk/src/examples/api/video_encode/video_encode.cc
diff --git a/ppapi/examples/video_encode/video_encode.cc b/native_client_sdk/src/examples/api/video_encode/video_encode.cc
similarity index 99%
copy from ppapi/examples/video_encode/video_encode.cc
copy to native_client_sdk/src/examples/api/video_encode/video_encode.cc
index 66d141a525648ef1551707440e20909ed560e721..7c7926e63f8ae1c271d66ba5e07a3088d813e68d 100644
--- a/ppapi/examples/video_encode/video_encode.cc
+++ b/native_client_sdk/src/examples/api/video_encode/video_encode.cc
@@ -294,8 +294,10 @@ void VideoEncoderInstance::OnEncoderProbed(
   }
 
   int32_t idx = 0;
-  for (const PP_VideoProfileDescription& profile : profiles)
+  for (int32_t i = 0; i < profiles.size(); i++) {
+    const PP_VideoProfileDescription& profile = profiles[i];
     js_profiles.Set(idx++, pp::Var(VideoProfileToString(profile.profile)));
+  }
   PostMessage(dict);
 }