[NaCl SDK] A bunch of spelling fixes.

native_client_sdk/src/examples/hello_world_interactive/hello_world.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /// @file
 /// This example demonstrates loading, running and scripting a very simple NaCl
 /// module.  To load the NaCl module, the browser first looks for the
 /// CreateModule() factory method (at the end of this file).  It calls
 /// CreateModule() once to load the module code from your .nexe.  After the
 /// .nexe code is loaded, CreateModule() is not called again.
@@ skipping 76 matching lines @@
   } else if (message.find(kReverseTextMethodId) == 0) {
     // The argument to reverseText is everything after the first ':'.
     size_t sep_pos = message.find_first_of(kMessageArgumentSeparator);
     if (sep_pos != std::string::npos) {
       std::string string_arg = message.substr(sep_pos + 1);
       return_var = MarshallReverseText(string_arg);
     }
   }
   // Post the return result back to the browser.  Note that HandleMessage() is
   // always called on the main thread, so it's OK to post the return message
-  // directly from here.  The return post is asynhronous: PostMessage returns
+  // directly from here.  The return post is asynchronous: PostMessage returns
   // immediately.
   PostMessage(return_var);
 }
 
 /// The Module class.  The browser calls the CreateInstance() method to create
 /// an instance of your NaCl module on the web page.  The browser creates a new
 /// instance for each <embed> tag with
 /// <code>type="application/x-nacl"</code>.
 class HelloWorldModule : public pp::Module {
  public:
@@ skipping 18 matching lines @@
 /// The browser keeps a singleton of this module.  It calls the
 /// CreateInstance() method on the object you return to make instances.  There
 /// is one instance per <embed> tag on the page.  This is the main binding
 /// point for your NaCl module with the browser.
 /// @return new HelloWorldModule.
 /// @note The browser is responsible for deleting returned @a Module.
 Module* CreateModule() {
   return new hello_world::HelloWorldModule();
 }
 }  // namespace pp