Use SameDocument term in tests instead of SamePage.

content/browser/media/session/media_session_service_impl_browsertest.cc

 // Copyright 2017 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.
 
 #include "content/browser/media/session/media_session_service_impl.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "content/browser/media/session/media_session_impl.h"
 #include "content/browser/media/session/media_session_player_observer.h"
@@ skipping 157 matching lines @@
   // actions are reset.
   NavigateToURLAndWaitForFinish(shell(), GetTestUrl(".", "title2.html"));
 
   EXPECT_EQ(blink::mojom::MediaSessionPlaybackState::NONE,
             GetService()->playback_state());
   EXPECT_FALSE(GetService()->metadata().has_value());
   EXPECT_EQ(0u, GetService()->actions().size());
 }
 
 IN_PROC_BROWSER_TEST_F(MediaSessionServiceImplBrowserTest,
-                       DontResetServiceForSamePageNavigation) {
+                       DontResetServiceForSameDocumentNavigation) {
   NavigateToURL(shell(), GetTestUrl(".", "title1.html"));
   EnsurePlayer();
 
   EXPECT_TRUE(ExecuteScriptToSetUpMediaSessionSync());
 
-  // Start a same-page navigation and check the playback state, metadata,
+  // Start a fragment navigation and check the playback state, metadata,
   // actions are not reset.
-  GURL same_page_url = GetTestUrl(".", "title1.html");
-  same_page_url = GURL(same_page_url.spec() + "#some-anchor");
-  NavigateToURLAndWaitForFinish(shell(), same_page_url);
+  GURL fragment_change_url = GetTestUrl(".", "title1.html");
+  fragment_change_url = GURL(fragment_change_url.spec() + "#some-anchor");
+  NavigateToURLAndWaitForFinish(shell(), fragment_change_url);
 
   EXPECT_EQ(blink::mojom::MediaSessionPlaybackState::PLAYING,
             GetService()->playback_state());
   EXPECT_TRUE(GetService()->metadata().has_value());
   EXPECT_EQ(1u, GetService()->actions().size());
 }
 
 }  // namespace content