Backport some work from sample to embedder:

runtime/embedders/android/main.cc

Index: runtime/embedders/android/main.cc
===================================================================
--- runtime/embedders/android/main.cc	(revision 16869)
+++ runtime/embedders/android/main.cc	(working copy)
@@ -18,22 +18,30 @@
   InputService inputService(application, &vmGlue,
       graphics.width(), graphics.height());
   SoundService sound_service(application);
-  psound_service = &sound_service;
-  Context context;
-  context.graphics = &graphics;
-  context.input_handler = &inputService;
-  context.sound_service = psound_service;
-  context.timer = &timer;
-  context.vm_glue = &vmGlue;
+  Context appContext = {

[vsm, 2013/01/09 21:17:21]

I was getting a compiler warning with this style of initialization.  Perhaps we
should just make a constructor.

[gram, 2013/01/09 22:33:28]

I just did field init instead.

+    &graphics,
+    &inputService,
+    &sound_service,
+    &timer,
+    &vmGlue
+  };
   EventLoop eventLoop(application);
-  DartHost host(&context);
-  eventLoop.Run(&host, &context);
+  DartHost host(&appContext);
+  eventLoop.Run(&host, &appContext);
 }
 
-void PlayBackground(const char* path) {
-  psound_service->PlayBackground(path);
+int32_t PlayBackgroundSound(const char* path) {
+  return psound_service->PlayBackground(path);
 }
 
-void StopBackground() {
+void StopBackgroundSound() {
   psound_service->StopBackground();
 }
+
+int32_t LoadSoundSample(const char* path) {
+  return psound_service->LoadSample(path);
+}
+
+int32_t PlaySoundSample(const char* path) {
+  return psound_service->PlaySample(path);
+}