[HttpKernel] Introduce KernelInterface::getProjectDir()

This reverts commit 704867986d147c6ca2d326d796806a9fb4124bc6, reversing
changes made to 557f85d1b38468c06c32215e9bcb6a0444182c59.

Author: ro0NL

Command/AboutCommand.php

@@ -60,7 +60,6 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         /** @var KernelInterface $kernel */
         $kernel = $this->getApplication()->getKernel();
-        $projectDir = $kernel->getContainer()->getParameter('kernel.project_dir');
 
         $rows = array(
             array('<info>Symfony</>'),
@@ -75,8 +74,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
             array('Environment', $kernel->getEnvironment()),
             array('Debug', $kernel->isDebug() ? 'true' : 'false'),
             array('Charset', $kernel->getCharset()),
-            array('Cache directory', self::formatPath($kernel->getCacheDir(), $projectDir).' (<comment>'.self::formatFileSize($kernel->getCacheDir()).'</>)'),
-            array('Log directory', self::formatPath($kernel->getLogDir(), $projectDir).' (<comment>'.self::formatFileSize($kernel->getLogDir()).'</>)'),
+            array('Cache directory', self::formatPath($kernel->getCacheDir(), $kernel->getProjectDir()).' (<comment>'.self::formatFileSize($kernel->getCacheDir()).'</>)'),
+            array('Log directory', self::formatPath($kernel->getLogDir(), $kernel->getProjectDir()).' (<comment>'.self::formatFileSize($kernel->getLogDir()).'</>)'),
             new TableSeparator(),
             array('<info>PHP</>'),
             new TableSeparator(),

Command/AssetsInstallCommand.php

@@ -22,6 +22,7 @@
 use Symfony\Component\Filesystem\Filesystem;
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\HttpKernel\Bundle\BundleInterface;
+use Symfony\Component\HttpKernel\KernelInterface;
 
 /**
  * Command that places bundle web assets into a given directory.
@@ -89,11 +90,12 @@ protected function configure()
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
+        /** @var KernelInterface $kernel */
         $kernel = $this->getApplication()->getKernel();
         $targetArg = rtrim($input->getArgument('target'), '/');
 
         if (!is_dir($targetArg)) {
-            $targetArg = $kernel->getContainer()->getParameter('kernel.project_dir').'/'.$targetArg;
+            $targetArg = $kernel->getProjectDir().'/'.$targetArg;
 
             if (!is_dir($targetArg)) {
                 throw new InvalidArgumentException(sprintf('The target directory "%s" does not exist.', $input->getArgument('target')));