[NaCl SDK] Cleanup examples.

native_client_sdk/src/examples/api/url_loader/url_loader.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.
 
 // This example demonstrates how to load content of the page into NaCl module.
 
 #include <cstdio>
 #include <string>
 #include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/module.h"
 #include "ppapi/cpp/url_loader.h"
-#include "ppapi/cpp/module.h"
 #include "ppapi/cpp/var.h"
 
-#include "geturl_handler.h"
+#include "url_loader_handler.h"
 
 // These are the method names as JavaScript sees them.
 namespace {
 const char* const kLoadUrlMethodId = "getUrl";
 static const char kMessageArgumentSeparator = ':';
 
 // Exception strings.  These are passed back to the browser when errors
 // happen during property accesses or method calls.
-const char* const kExceptionStartFailed = "GetURLHandler::Start() failed";
+const char* const kExceptionStartFailed = "URLLoaderHandler::Start() failed";
 const char* const kExceptionURLNotAString = "URL is not a string";
 }  // namespace
 
-// The Instance class.  One of these exists for each instance of your NaCl
-// module on the web page.  The browser will ask the Module object to create
-// a new Instance for each occurrence of the <embed> tag that has these
-// attributes:
-//     type="application/x-nacl"
-//     src="geturl.nmf"
-class GetURLInstance : public pp::Instance {
+class URLLoaderInstance : public pp::Instance {
  public:
-  explicit GetURLInstance(PP_Instance instance) : pp::Instance(instance) {}
-  virtual ~GetURLInstance() {}
+  explicit URLLoaderInstance(PP_Instance instance) : pp::Instance(instance) {}
+  virtual ~URLLoaderInstance() {}
 
   // Called by the browser to handle the postMessage() call in Javascript.
   // The message in this case is expected to contain the string 'getUrl'
   // followed by a ':' separator, then the URL to fetch.  If a valid message
   // of the form 'getUrl:URL' is received, then start up an asynchronous
   // download of URL.  In the event that errors occur, this method posts an
   // error string back to the browser.
   virtual void HandleMessage(const pp::Var& var_message);
 };
 
-void GetURLInstance::HandleMessage(const pp::Var& var_message) {
+void URLLoaderInstance::HandleMessage(const pp::Var& var_message) {
   if (!var_message.is_string()) {
     return;
   }
   std::string message = var_message.AsString();
   if (message.find(kLoadUrlMethodId) == 0) {
     // The argument to getUrl is everything after the first ':'.
     size_t sep_pos = message.find_first_of(kMessageArgumentSeparator);
     if (sep_pos != std::string::npos) {
       std::string url = message.substr(sep_pos + 1);
-      printf("GetURLInstance::HandleMessage('%s', '%s')\n",
+      printf("URLLoaderInstance::HandleMessage('%s', '%s')\n",
              message.c_str(),
              url.c_str());
       fflush(stdout);
-      GetURLHandler* handler = GetURLHandler::Create(this, url);
+      URLLoaderHandler* handler = URLLoaderHandler::Create(this, url);
       if (handler != NULL) {
         // Starts asynchronous download. When download is finished or when an
         // error occurs, |handler| posts the results back to the browser
         // vis PostMessage and self-destroys.
         handler->Start();
       }
     }
   }
 }
 
-// The Module class.  The browser calls the CreateInstance() method to create
-// an instance of you NaCl module on the web page.  The browser creates a new
-// instance for each <embed> tag with type="application/x-nacl".
-class GetURLModule : public pp::Module {
+class URLLoaderModule : public pp::Module {
  public:
-  GetURLModule() : pp::Module() {}
-  virtual ~GetURLModule() {}
+  URLLoaderModule() : pp::Module() {}
+  virtual ~URLLoaderModule() {}
 
-  // Create and return a GetURLInstance object.
+  // Create and return a URLLoaderInstance object.
   virtual pp::Instance* CreateInstance(PP_Instance instance) {
-    return new GetURLInstance(instance);
+    return new URLLoaderInstance(instance);
   }
 };
 
-// Factory function called by the browser when the module is first loaded.
-// 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.
 namespace pp {
-Module* CreateModule() { return new GetURLModule(); }
+Module* CreateModule() { return new URLLoaderModule(); }
 }  // namespace pp