Migrate MediaStreamManager::GenerateStreamCallback to BindOnce

Bug: 714018
Change-Id: I6424da4665e0f5e4bdb8ad03b30ad5ff41d28b1f
Reviewed-on: https://chromium-review.googlesource.com/1061813Reviewed-by: Emircan Uysaler <emircan@chromium.org>
Commit-Queue: Mark Pilgrim <pilgrim@chromium.org>
Cr-Commit-Position: refs/heads/master@{#559147}

content/browser/renderer_host/media/media_stream_manager.cc

@@ -628,7 +628,7 @@ void MediaStreamManager::GenerateStream(
     // The test callback is responsible to verify whether the |controls| is
     // as expected. Then we need to finish getUserMedia and let Javascript
     // access the result.
-    if (generate_stream_test_callback_.Run(controls)) {
+    if (std::move(generate_stream_test_callback_).Run(controls)) {
       FinalizeGenerateStream(label, request);
     } else {
       FinalizeRequestFailed(label, request, MEDIA_DEVICE_INVALID_STATE);

content/browser/renderer_host/media/media_stream_manager.h

@@ -98,7 +98,7 @@ class CONTENT_EXPORT MediaStreamManager
 
   // Callback for testing.
   using GenerateStreamTestCallback =
-      base::Callback<bool(const StreamControls&)>;
+      base::OnceCallback<bool(const StreamControls&)>;
 
   // Adds |message| to native logs for outstanding device requests, for use by
   // render processes hosts whose corresponding render processes are requesting

content/browser/webrtc/webrtc_getusermedia_browsertest.cc

@@ -648,13 +648,13 @@ IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest,
       BrowserMainLoop::GetInstance()->media_stream_manager();
 
   manager->SetGenerateStreamCallbackForTesting(
-      base::Bind(&VerifyDisableLocalEcho, false));
+      base::BindOnce(&VerifyDisableLocalEcho, false));
   std::string call = GenerateGetUserMediaWithDisableLocalEcho(
       "getUserMediaAndExpectSuccess", "false");
   ExecuteJavascriptAndWaitForOk(call);
 
   manager->SetGenerateStreamCallbackForTesting(
-      base::Bind(&VerifyDisableLocalEcho, true));
+      base::BindOnce(&VerifyDisableLocalEcho, true));
   call = GenerateGetUserMediaWithDisableLocalEcho(
       "getUserMediaAndExpectSuccess", "true");
   ExecuteJavascriptAndWaitForOk(call);