diff --git a/core/lib/Drupal/Core/StreamWrapper/LocalReadOnlyStream.php b/core/lib/Drupal/Core/StreamWrapper/LocalReadOnlyStream.php
new file mode 100644
index 0000000..0245deb
--- /dev/null
+++ b/core/lib/Drupal/Core/StreamWrapper/LocalReadOnlyStream.php
@@ -0,0 +1,126 @@
+<?php
+
+/**
+ * @file
+ * Definition of Drupal\Core\StreamWrapper\LocalReadOnlyStream.
+ */
+
+namespace Drupal\Core\StreamWrapper;
+
+/**
+ * Defines a read-only Drupal stream wrapper base class for local files.
+ *
+ * This class extends the complete stream wrapper implementation in LocalStream.
+ * URIs such as "public://example.txt" are expanded to a normal filesystem path
+ * such as "sites/default/files/example.txt" and then PHP filesystem functions are
+ * invoked.
+ *
+ * Drupal\Core\StreamWrapper\LocalReadOnlyStream implementations need to
+ * implement at least the getDirectoryPath() and getExternalUrl() methods.
+ */
+abstract class LocalReadOnlyStream extends LocalStream {
+
+  /**
+   * Support for fwrite(), file_put_contents() etc.
+   *
+   * Data will not be written as this is a read-only stream wrapper.
+   *
+   * @param string $data
+   *   The string to be written.
+   *
+   * @return bool
+   *   FALSE as data will not be written.
+   *
+   * @see http://php.net/manual/en/streamwrapper.stream-write.php
+   */
+  public function stream_write($data) {
+    return FALSE;
+  }
+
+  /**
+   * Support for unlink().
+   *
+   * The file will not be deleted from the stream as this is a read-only stream
+   * wrapper.
+   *
+   * @param string $uri
+   *   A string containing the uri to the resource to delete.
+   *
+   * @return bool
+   *   TRUE so that file_delete() will remove db reference to file. File is not
+   *   actually deleted.
+   *
+   * @see http://php.net/manual/en/streamwrapper.unlink.php
+   */
+  public function unlink($uri) {
+    return TRUE;
+  }
+
+  /**
+   * Support for rename().
+   *
+   * This file will not be renames as this is a read-only stream wrapper.
+   *
+   * @param string $from_uri,
+   *   The uri to the file to rename.
+   * @param string $to_uri
+   *   The new uri for file.
+   *
+   * @return bool
+   *   FALSE as file will never be renamed.
+   *
+   * @see http://php.net/manual/en/streamwrapper.rename.php
+   */
+  public function rename($from_uri, $to_uri) {
+    return FALSE;
+  }
+
+  /**
+   * Support for mkdir().
+   *
+   * Directory will never be created as this is a read-only stream wrapper.
+   *
+   * @param string $uri
+   *   A string containing the URI to the directory to create.
+   * @param int $mode
+   *   Permission flags - see mkdir().
+   * @param int $options
+   *   A bit mask of STREAM_REPORT_ERRORS and STREAM_MKDIR_RECURSIVE.
+   *
+   * @return bool
+   *   FALSE as directory will never be created.
+   *
+   * @see http://php.net/manual/en/streamwrapper.mkdir.php
+   */
+  public function mkdir($uri, $mode, $options) {
+    return FALSE;
+  }
+
+  /**
+   * Support for rmdir().
+   *
+   * Directory will never be deleted as this is a read-only stream wrapper.
+   *
+   * @param string $uri
+   *   A string containing the URI to the directory to delete.
+   * @param int $options
+   *   A bit mask of STREAM_REPORT_ERRORS.
+   *
+   * @return bool
+   *   FALSE as directory will never be deleted.
+   *
+   * @see http://php.net/manual/en/streamwrapper.rmdir.php
+   */
+  public function rmdir($uri, $options) {
+    return FALSE;
+  }
+
+  /**
+   * Implements Drupal\Core\StreamWrapper\StreamWrapperInterface::chmod().
+   *
+   * Does not change file permissions as this is a read-only stream wrapper.
+   */
+  public function chmod($mode) {
+    return FALSE;
+  }
+}
diff --git a/core/lib/Drupal/Core/StreamWrapper/ModuleStream.php b/core/lib/Drupal/Core/StreamWrapper/ModuleStream.php
new file mode 100644
index 0000000..41b31e0
--- /dev/null
+++ b/core/lib/Drupal/Core/StreamWrapper/ModuleStream.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * @file
+ * Definition of Drupal\Core\StreamWrapper\ModuleStream.
+ */
+
+namespace Drupal\Core\StreamWrapper;
+
+/**
+ * Defines a read-only Drupal stream wrapper base class for modules.
+ *
+ * This class extends the complete stream wrapper implementation in LocalStream.
+ * URIs such as "module://system" are expanded to a normal filesystem path
+ * such as "modules/system" and then PHP filesystem functions are
+ * invoked.
+ */
+class ModuleStream extends SystemStream {
+
+  /**
+   * Implements abstract public function getDirectoryPath()
+   */
+  public function getDirectoryPath() {
+    return drupal_get_path('module', $this->getSystemName());
+  }
+}
\ No newline at end of file
diff --git a/core/lib/Drupal/Core/StreamWrapper/ProfileStream.php b/core/lib/Drupal/Core/StreamWrapper/ProfileStream.php
new file mode 100644
index 0000000..a21c896
--- /dev/null
+++ b/core/lib/Drupal/Core/StreamWrapper/ProfileStream.php
@@ -0,0 +1,41 @@
+<?php
+/**
+ * @file
+ * Definition of Drupal\Core\StreamWrapper\ProfileStream.
+ */
+
+namespace Drupal\Core\StreamWrapper;
+
+/**
+ * Defines a read-only Drupal stream wrapper base class for profiles.
+ *
+ * This class extends the complete stream wrapper implementation in LocalStream.
+ * URIs such as "profile://default" are expanded to a normal filesystem path
+ * such as "profiles/default" and then PHP filesystem functions are
+ * invoked.
+ *
+ * Specifying "profile://current" will return a stream for the currently
+ * installed profile.
+ */
+class ProfileStream extends SystemStream {
+
+  /**
+   * Override SystemSteam::getSystemName() to support profile://current
+   */
+  protected function getSystemName($uri = NULL) {
+    $name = parent::getSystemName($uri);
+    if ($name == 'current') {
+      return drupal_get_profile();
+    }
+    else {
+      return $name;
+    }
+  }
+
+  /**
+   * Implements abstract public function getDirectoryPath()
+   */
+  public function getDirectoryPath() {
+    return drupal_get_path('profile', $this->getSystemName());
+  }
+}
\ No newline at end of file
diff --git a/core/lib/Drupal/Core/StreamWrapper/SystemStream.php b/core/lib/Drupal/Core/StreamWrapper/SystemStream.php
new file mode 100644
index 0000000..55211d5
--- /dev/null
+++ b/core/lib/Drupal/Core/StreamWrapper/SystemStream.php
@@ -0,0 +1,61 @@
+<?php
+/**
+ * @file
+ * Definition of Drupal\Core\StreamWrapper\SystemStream.
+ */
+
+namespace Drupal\Core\StreamWrapper;
+
+/**
+ * Defines a read-only Drupal stream wrapper base class for system files such as
+ * modules, themes and profiles.
+ *
+ * This class provides a base stream wrapper implementation.
+ */
+abstract class SystemStream extends LocalReadOnlyStream {
+
+  /**
+   * Get the module, theme, or profile name of the current URI.
+   */
+  protected function getSystemName($uri = NULL) {
+    if (!isset($uri)) {
+      $uri = $this->uri;
+    }
+    list($scheme, $target) = explode('://', $uri, 2);
+    $pos = strpos($target, '/');
+    return $pos === FALSE ? $target : substr($target, 0, $pos);
+  }
+
+  protected function getTarget($uri = NULL) {
+    if (!isset($uri)) {
+      $uri = $this->uri;
+    }
+
+    list($scheme, $target) = explode('://', $uri, 2);
+
+    // Remove erroneous leading or trailing, forward-slashes and backslashes.
+    $target = trim($target, '\/');
+
+    // Remove the module/theme/profile name form the file path.
+    $target = substr($target, strlen($this->getSystemName()));
+
+    // Trim again.
+    $target = trim($target, '\/');
+    return $target;
+  }
+
+  /**
+   * Overrides getExternalUrl().
+   *
+   * Return the HTML URI of a system file.
+   */
+  public function getExternalUrl() {
+    $dir = $this->getDirectoryPath();
+    if (empty($dir)) {
+      return FALSE;
+    }
+
+    $path = str_replace('\\', '/', $this->getTarget());
+    return $GLOBALS['base_url'] . '/' . $dir . '/' . drupal_encode_path($path);
+  }
+}
diff --git a/core/lib/Drupal/Core/StreamWrapper/ThemeStream.php b/core/lib/Drupal/Core/StreamWrapper/ThemeStream.php
new file mode 100644
index 0000000..4a632cf
--- /dev/null
+++ b/core/lib/Drupal/Core/StreamWrapper/ThemeStream.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * @file
+ * Definition of Drupal\Core\StreamWrapper\ThemeStream.
+ */
+
+namespace Drupal\Core\StreamWrapper;
+
+/**
+ * Defines a read-only Drupal stream wrapper base class for themes.
+ *
+ * This class extends the complete stream wrapper implementation in LocalStream.
+ * URIs such as "theme://bartik" are expanded to a normal filesystem path
+ * such as "themes/default" and then PHP filesystem functions are
+ * invoked.
+ */
+class ThemeStream extends SystemStream {
+
+  /**
+   * Implements abstract public function getDirectoryPath()
+   */
+  public function getDirectoryPath() {
+    return drupal_get_path('theme', $this->getSystemName());
+  }
+}
\ No newline at end of file
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 94fd3e0..a504801 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -1689,6 +1689,24 @@ function system_stream_wrappers() {
       'description' => t('Temporary local files for upload and previews.'),
       'type' => STREAM_WRAPPERS_LOCAL_HIDDEN,
     ),
+    'module' => array(
+      'name' => t('Module files'),
+      'class' => 'ModuleSystemStreamWrapper',
+      'description' => t('Local module files.'),
+      'type' => STREAM_WRAPPERS_READ,
+    ),
+    'theme' => array(
+      'name' => t('Theme files'),
+      'class' => 'ThemeSystemStreamWrapper',
+      'description' => t('Local theme files.'),
+      'type' => STREAM_WRAPPERS_READ,
+    ),
+    'profile' => array(
+      'name' => t('Profile files'),
+      'class' => 'ProfileSystemStreamWrapper',
+      'description' => t('Local profile files.'),
+      'type' => STREAM_WRAPPERS_READ,
+    ),
   );
 
   // Only register the private file stream wrapper if a file path has been set.