Fixing naming issues in MediaSession

content/browser/media/session/audio_focus_delegate_default_browsertest.cc

 // Copyright 2016 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 "base/command_line.h"
 #include "content/browser/media/session/media_session.h"
-#include "content/browser/media/session/mock_media_session_observer.h"
+#include "content/browser/media/session/mock_media_session_player_observer.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/shell/browser/shell.h"
 #include "media/base/media_content_type.h"
 #include "media/base/media_switches.h"
 
 namespace content {
 
 class MediaSessionDelegateDefaultBrowserTest : public ContentBrowserTest {
  protected:
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kEnableDefaultMediaSession);
   }
 
   void Run(WebContents* start_contents, WebContents* interrupt_contents) {
-    std::unique_ptr<MockMediaSessionObserver> media_session_observer(
-        new MockMediaSessionObserver);
+    std::unique_ptr<MockMediaSessionPlayerObserver>
+        media_session_player_observer(new MockMediaSessionPlayerObserver);
 
     MediaSession* media_session = MediaSession::Get(start_contents);
     ASSERT_TRUE(media_session);
 
     MediaSession* other_media_session = MediaSession::Get(interrupt_contents);
     ASSERT_TRUE(other_media_session);
 
-    media_session_observer->StartNewPlayer();
-    media_session->AddPlayer(media_session_observer.get(), 0,
+    media_session_player_observer->StartNewPlayer();
+    media_session->AddPlayer(media_session_player_observer.get(), 0,
                              media::MediaContentType::Persistent);
     EXPECT_TRUE(media_session->IsActive());
     EXPECT_FALSE(other_media_session->IsActive());
 
-    media_session_observer->StartNewPlayer();
-    other_media_session->AddPlayer(media_session_observer.get(), 1,
+    media_session_player_observer->StartNewPlayer();
+    other_media_session->AddPlayer(media_session_player_observer.get(), 1,
                                    media::MediaContentType::Persistent);
     EXPECT_FALSE(media_session->IsActive());
     EXPECT_TRUE(other_media_session->IsActive());
 
     media_session->Stop(MediaSession::SuspendType::UI);
     other_media_session->Stop(MediaSession::SuspendType::UI);
   }
 };
 
 // Two windows from the same BrowserContext.
 IN_PROC_BROWSER_TEST_F(MediaSessionDelegateDefaultBrowserTest,
                        ActiveWebContentsPauseOthers) {
   Run(shell()->web_contents(), CreateBrowser()->web_contents());
 }
 
 // Regular BrowserContext is interrupted by OffTheRecord one.
 IN_PROC_BROWSER_TEST_F(MediaSessionDelegateDefaultBrowserTest,
                        RegularBrowserInterruptsOffTheRecord) {
   Run(shell()->web_contents(), CreateOffTheRecordBrowser()->web_contents());
 }
 
 // OffTheRecord BrowserContext is interrupted by regular one.
 IN_PROC_BROWSER_TEST_F(MediaSessionDelegateDefaultBrowserTest,
                        OffTheRecordInterruptsRegular) {
   Run(CreateOffTheRecordBrowser()->web_contents(), shell()->web_contents());
 }
 
 }  // namespace content