[NaCl SDK] Cleanup examples.

native_client_sdk/src/examples/demo/pi_generator/pi_generator.cc

Index: native_client_sdk/src/examples/demo/pi_generator/pi_generator.cc
diff --git a/native_client_sdk/src/examples/demo/pi_generator/pi_generator.cc b/native_client_sdk/src/examples/demo/pi_generator/pi_generator.cc
index bada6105c5cab2a52d5de67ddb3bcbb02fe39410..2c79f4d400f55463af86986dc51a9d86eb960dd9 100644
--- a/native_client_sdk/src/examples/demo/pi_generator/pi_generator.cc
+++ b/native_client_sdk/src/examples/demo/pi_generator/pi_generator.cc
@@ -27,13 +27,11 @@ const uint32_t kBlueShift = 0;
 // This is called by the browser when the 2D context has been flushed to the
 // browser window.
 void FlushCallback(void* data, int32_t result) {
-  static_cast<pi_generator::PiGenerator*>(data)->set_flush_pending(false);
+  static_cast<PiGenerator*>(data)->set_flush_pending(false);
 }
 
 }  // namespace
 
-namespace pi_generator {
-
 // A small helper RAII class that implements a scoped pthread_mutex lock.
 class ScopedMutexLock {
  public:
@@ -248,4 +246,16 @@ void* PiGenerator::ComputePi(void* param) {
   return 0;
 }
 
-}  // namespace pi_generator
+class PiGeneratorModule : public pp::Module {
+ public:
+  PiGeneratorModule() : pp::Module() {}
+  virtual ~PiGeneratorModule() {}
+
+  virtual pp::Instance* CreateInstance(PP_Instance instance) {
+    return new PiGenerator(instance);
+  }
+};
+
+namespace pp {
+Module* CreateModule() { return new PiGeneratorModule(); }
+}  // namespace pp