Reland of name kDisableGestureRequirementForMediaPlayback and make it a test-only flag.

content/browser/renderer_host/render_process_host_browsertest.cc

 // Copyright 2013 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/bind.h"
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/common/child_process_messages.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/web_contents.h"
-#include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_service.mojom.h"
 #include "content/shell/browser/shell.h"
 #include "media/base/bind_to_current_loop.h"
+#include "media/base/media_switches.h"
 #include "media/base/test_data_util.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 #include "services/service_manager/public/cpp/interface_provider.h"
 #include "services/service_manager/public/cpp/interface_registry.h"
 
 #if defined(OS_WIN)
 #include "base/win/windows_version.h"
 #endif
 
 namespace content {
@@ skipping 10 matching lines @@
   }
   return count;
 }
 
 class RenderProcessHostTest : public ContentBrowserTest,
                               public RenderProcessHostObserver {
  public:
   RenderProcessHostTest() : process_exits_(0), host_destructions_(0) {}
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
-    command_line->AppendSwitch(
-        switches::kDisableGestureRequirementForMediaPlayback);
+    command_line->AppendSwitch(switches::kIgnoreAutoplayRestrictionsForTests);
   }
 
  protected:
   void set_process_exit_callback(const base::Closure& callback) {
     process_exit_callback_ = callback;
   }
 
   // RenderProcessHostObserver:
   void RenderProcessExited(RenderProcessHost* host,
                            base::TerminationStatus status,
@@ skipping 260 matching lines @@
   // Verify shutdown went as expected.
   EXPECT_EQ(0, rph->get_audio_stream_count_for_testing());
   EXPECT_EQ(1, process_exits_);
   EXPECT_EQ(0, host_destructions_);
   if (!host_destructions_)
     rph->RemoveObserver(this);
 }
 
 }  // namespace
 }  // namespace content