Convert some audio code to OnceCallback.

content/browser/renderer_host/media/render_frame_audio_output_stream_factory_unittest.cc

Index: content/browser/renderer_host/media/render_frame_audio_output_stream_factory_unittest.cc
diff --git a/content/browser/renderer_host/media/render_frame_audio_output_stream_factory_unittest.cc b/content/browser/renderer_host/media/render_frame_audio_output_stream_factory_unittest.cc
index 23f3e82a4c14f483a044d072b3d278949c98b0b7..eeeda9ff6cd745378a7a80ce5afeea22d980c967 100644
--- a/content/browser/renderer_host/media/render_frame_audio_output_stream_factory_unittest.cc
+++ b/content/browser/renderer_host/media/render_frame_audio_output_stream_factory_unittest.cc
@@ -111,17 +111,18 @@ class MockContext : public RendererAudioOutputStreamFactoryContext {
     if (auth_ok_) {
       base::ThreadTaskRunnerHandle::Get()->PostTask(
           FROM_HERE,
-          base::Bind(cb, media::OutputDeviceStatus::OUTPUT_DEVICE_STATUS_OK,
-                     false, GetTestAudioParameters(), "default"));
+          base::BindOnce(std::move(cb),
+                         media::OutputDeviceStatus::OUTPUT_DEVICE_STATUS_OK,
+                         false, GetTestAudioParameters(), "default"));
       return;
     }
     base::ThreadTaskRunnerHandle::Get()->PostTask(
         FROM_HERE,
-        base::Bind(cb,
-                   media::OutputDeviceStatus::
-                       OUTPUT_DEVICE_STATUS_ERROR_NOT_AUTHORIZED,
-                   false, media::AudioParameters::UnavailableDeviceParams(),
-                   ""));
+        base::BindOnce(std::move(cb),
+                       media::OutputDeviceStatus::
+                           OUTPUT_DEVICE_STATUS_ERROR_NOT_AUTHORIZED,
+                       false, media::AudioParameters::UnavailableDeviceParams(),
+                       ""));
   }
 
   // The event handler for the delegate will be stored at
@@ -222,8 +223,8 @@ TEST(RenderFrameAudioOutputStreamFactoryTest, CreateStream) {
   std::string id;
   factory_ptr->RequestDeviceAuthorization(
       mojo::MakeRequest(&provider), kNoSessionId, "default",
-      base::Bind(&AuthCallback, base::Unretained(&status),
-                 base::Unretained(&params), base::Unretained(&id)));
+      base::BindOnce(&AuthCallback, base::Unretained(&status),
+                     base::Unretained(&params), base::Unretained(&id)));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(status, media::OUTPUT_DEVICE_STATUS_OK);
   EXPECT_EQ(params.AsHumanReadableString(),
@@ -261,8 +262,8 @@ TEST(RenderFrameAudioOutputStreamFactoryTest, NotAuthorized_Denied) {
   std::string id;
   factory_ptr->RequestDeviceAuthorization(
       mojo::MakeRequest(&output_provider), kNoSessionId, "default",
-      base::Bind(&AuthCallback, base::Unretained(&status),
-                 base::Unretained(&params), base::Unretained(&id)));
+      base::BindOnce(&AuthCallback, base::Unretained(&status),
+                     base::Unretained(&params), base::Unretained(&id)));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(status, media::OUTPUT_DEVICE_STATUS_ERROR_NOT_AUTHORIZED);
   EXPECT_TRUE(id.empty());
@@ -285,9 +286,9 @@ TEST(RenderFrameAudioOutputStreamFactoryTest, ConnectionError_DeletesStream) {
 
   factory_ptr->RequestDeviceAuthorization(
       mojo::MakeRequest(&provider), kNoSessionId, "default",
-      base::Bind([](media::OutputDeviceStatus status,
-                    const media::AudioParameters& params,
-                    const std::string& id) {}));
+      base::BindOnce([](media::OutputDeviceStatus status,
+                        const media::AudioParameters& params,
+                        const std::string& id) {}));
   base::RunLoop().RunUntilIdle();
 
   provider->Acquire(
@@ -319,9 +320,9 @@ TEST(RenderFrameAudioOutputStreamFactoryTest, DelegateError_DeletesStream) {
 
   factory_ptr->RequestDeviceAuthorization(
       mojo::MakeRequest(&provider), kNoSessionId, "default",
-      base::Bind([](media::OutputDeviceStatus status,
-                    const media::AudioParameters& params,
-                    const std::string& id) {}));
+      base::BindOnce([](media::OutputDeviceStatus status,
+                        const media::AudioParameters& params,
+                        const std::string& id) {}));
   base::RunLoop().RunUntilIdle();
 
   provider->Acquire(
@@ -364,8 +365,8 @@ TEST(RenderFrameAudioOutputStreamFactoryTest, OutOfRangeSessionId_BadMessage) {
   EXPECT_FALSE(got_bad_message);
   factory_ptr->RequestDeviceAuthorization(
       mojo::MakeRequest(&output_provider), session_id, "default",
-      base::Bind([](media::OutputDeviceStatus, const media::AudioParameters&,
-                    const std::string&) {}));
+      base::BindOnce([](media::OutputDeviceStatus,
+                        const media::AudioParameters&, const std::string&) {}));
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(got_bad_message);
 }