[MediaSession, Test] Move MediaSession test data to all-platforms directory

content/browser/media/session/media_session_visibility_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/public/browser/web_contents.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
@@ skipping 52 matching lines @@
     command_line->AppendSwitch(
         switches::kDisableGestureRequirementForMediaPlayback);
 #if !defined(OS_ANDROID)
     command_line->AppendSwitch(
         switches::kEnableDefaultMediaSession);
 #endif  // !defined(OS_ANDROID)
   }
 
   void LoadTestPage() {
     TestNavigationObserver navigation_observer(shell()->web_contents(), 1);
-    shell()->LoadURL(GetTestUrl("android/media", "media-session.html"));
+    shell()->LoadURL(GetTestUrl("media/session", "media-session.html"));
     navigation_observer.Wait();
   }
 
   void RunScript(const std::string& script) {
     ASSERT_TRUE(ExecuteScript(web_contents_->GetMainFrame(), script));
   }
 
   void ClearMediaSessionStateLoopRunners() {
     for (auto& state_loop_runner : media_session_state_loop_runners_)
       state_loop_runner.second = new MessageLoopRunner();
@@ skipping 173 matching lines @@
 INCLUDE_TEST_FROM_BASE_CLASS(
     MediaSessionVisibilityBrowserTest_AndroidPipeline_NosuspendOnHide,
     TestSessionSuspendedWhenHiddenAfterContentPause)
 INCLUDE_TEST_FROM_BASE_CLASS(
     MediaSessionVisibilityBrowserTest_AndroidPipeline_NosuspendOnHide,
     TestSessionActiveWhenHiddenWhilePlaying)
 
 #endif  // defined(OS_ANDROID)
 
 }  // namespace content