Add WebProfilerServiceProvider to inject Ajax profiler

- Silex provider implements feature, but only in Silex 2.0 compatible branch

lib/Alchemy/Phrasea/Core/Provider/WebProfilerServiceProvider.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Alchemy\Phrasea\Core\Provider;
+
+use Silex\Application;
+use Silex\ServiceProviderInterface;
+use Symfony\Bundle\FrameworkBundle\DataCollector\AjaxDataCollector;
+
+class WebProfilerServiceProvider implements ServiceProviderInterface
+{
+
+    /**
+     * Registers services on the given app.
+     *
+     * This method should only be used to configure services and parameters.
+     * It should not get services.
+     */
+    public function register(Application $app)
+    {
+        if (class_exists('Symfony\Bundle\FrameworkBundle\DataCollector\AjaxDataCollector')) {
+            $app['data_collector.templates'] = $app->extend('data_collector.templates', function (array $templates) {
+                $templates[] = array('ajax', '@WebProfiler/Collector/ajax.html.twig');
+
+                return $templates;
+            });
+
+            $app['data_collectors'] = $app->extend('data_collectors', function ($collectors) {
+                $collectors['ajax'] = function () {
+                    return new AjaxDataCollector();
+                };
+
+                return $collectors;
+            });
+        }
+    }
+
+    /**
+     * Bootstraps the application.
+     *
+     * This method is called after all services are registered
+     * and should be used for "dynamic" configuration (whenever
+     * a service must be requested).
+     */
+    public function boot(Application $app)
+    {
+        // TODO: Implement boot() method.
+    }
+}