[Chromecast] Simplify CastMediaBlocker.

chromecast/browser/cast_media_blocker_unittest.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 "chromecast/browser/cast_media_blocker.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "content/public/browser/media_session.h"
@@ skipping 36 matching lines @@
 class CastMediaBlockerTest : public content::RenderViewHostTestHarness {
  public:
   CastMediaBlockerTest() {}
   ~CastMediaBlockerTest() override {}
 
   void SetUp() override {
     initializer_ = base::MakeUnique<content::TestContentClientInitializer>();
     content::RenderViewHostTestHarness::SetUp();
     media_session_ = base::MakeUnique<MockMediaSession>(
         content::MediaSession::Get(web_contents()));
-    media_blocker_ = base::MakeUnique<CastMediaBlocker>(media_session_.get(),
-                                                        web_contents());
+    media_blocker_ = base::MakeUnique<CastMediaBlocker>(media_session_.get());
 
     content::WebContentsTester::For(web_contents())
         ->NavigateAndCommit(GURL("https://www.youtube.com"));
   }
 
   void TearDown() override { content::RenderViewHostTestHarness::TearDown(); }
 
   void MediaSessionChanged(bool controllable, bool suspended) {
     media_blocker_->MediaSessionStateChanged(controllable, suspended);
   }
@@ skipping 203 matching lines @@
   // Tests CastMediaBlocker does not resume if unblocked and media is playing.
   EXPECT_CALL(*media_session_, Suspend(_)).Times(1);
   EXPECT_CALL(*media_session_, Resume(_)).Times(0);
   MediaSessionChanged(true, false);
   media_blocker_->BlockMediaLoading(true);
   media_blocker_->BlockMediaLoading(false);
 }
 
 }  // namespace shell
 }  // namespace chromecast