diff --git a/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php b/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php
index 77d0109..ebaee95 100644
--- a/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php
+++ b/core/modules/simpletest/lib/Drupal/simpletest/WebTestBase.php
@@ -1276,11 +1276,11 @@ protected function curlExec($curl_options, $redirect = FALSE) {
       '!method' => !empty($curl_options[CURLOPT_NOBODY]) ? 'HEAD' : (empty($curl_options[CURLOPT_POSTFIELDS]) ? 'GET' : 'POST'),
       '@url' => isset($original_url) ? $original_url : $url,
       '@status' => $status,
-      '!length' => format_size(strlen($this->drupalGetContent()))
+      '!length' => format_size(strlen($this->getRawContent()))
     );
     $message = String::format('!method @url returned @status (!length).', $message_vars);
-    $this->assertTrue($this->drupalGetContent() !== FALSE, $message, 'Browser');
-    return $this->drupalGetContent();
+    $this->assertTrue($this->getRawContent() !== FALSE, $message, 'Browser');
+    return $this->getRawContent();
   }
 
   /**
@@ -1371,7 +1371,7 @@ protected function isInChildSite() {
    *   "name: value".
    *
    * @return
-   *   The retrieved HTML string, also available as $this->drupalGetContent()
+   *   The retrieved HTML string, also available as $this->getRawContent()
    */
   protected function drupalGet($path, array $options = array(), array $headers = array()) {
     $options['absolute'] = TRUE;
@@ -1953,7 +1953,7 @@ protected function cronRun() {
    *   Either the new page content or FALSE.
    */
   protected function checkForMetaRefresh() {
-    if (strpos($this->drupalGetContent(), '<meta ') && $this->parse()) {
+    if (strpos($this->getRawContent(), '<meta ') && $this->parse()) {
       $refresh = $this->xpath('//meta[@http-equiv="Refresh"]');
       if (!empty($refresh)) {
         // Parse the content attribute of the meta tag for the format:
@@ -1978,7 +1978,7 @@ protected function checkForMetaRefresh() {
    *   "name: value".
    *
    * @return
-   *   The retrieved headers, also available as $this->drupalGetContent()
+   *   The retrieved headers, also available as $this->getRawContent()
    */
   protected function drupalHead($path, array $options = array(), array $headers = array()) {
     $options['absolute'] = TRUE;
diff --git a/core/modules/simpletest/tests/Drupal/simpletest/Tests/WebTestBaseTest.php b/core/modules/simpletest/tests/Drupal/simpletest/Tests/WebTestBaseTest.php
index bbfdadd..8617867 100644
--- a/core/modules/simpletest/tests/Drupal/simpletest/Tests/WebTestBaseTest.php
+++ b/core/modules/simpletest/tests/Drupal/simpletest/Tests/WebTestBaseTest.php
@@ -66,11 +66,11 @@ public function testAssertFieldByName($filename, $name, $value, $expected) {
 
     $web_test = $this->getMockBuilder('Drupal\simpletest\WebTestBase')
       ->disableOriginalConstructor()
-      ->setMethods(array('assertTrue', 'drupalGetContent', 'pass'))
+      ->setMethods(array('getRawContent', 'assertTrue', 'pass'))
       ->getMock();
 
     $web_test->expects($this->any())
-      ->method('drupalGetContent')
+      ->method('getRawContent')
       ->will($this->returnValue($content));
 
     $web_test->expects($this->once())