Change MediaStreamVideoCapturerSourceTest to operate over MediaStreamSource

... instead of WebMediaStreamSource.

BUG=704136
R=guidou@chromium.org

Change-Id: Ib14470ab7e8acbd911e059c12c8ddc0f983b3d14
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2283392
Commit-Queue: Antonio Gomes <tonikitoo@igalia.com>
Reviewed-by: Guido Urdaneta <guidou@chromium.org>
Cr-Commit-Position: refs/heads/master@{#785846}

third_party/blink/renderer/modules/mediastream/processed_local_audio_source_test.cc

@@ -130,8 +130,7 @@ class ProcessedLocalAudioSourceTest : public testing::Test {
   }
 
   MediaStreamAudioSource* audio_source() const {
-    return MediaStreamAudioSource::From(
-        WebMediaStreamSource(audio_source_.Get()));
+    return MediaStreamAudioSource::From(audio_source_.Get());
   }
 
   MediaStreamComponent* audio_track() { return audio_component_; }

third_party/blink/renderer/modules/mediastream/user_media_client_test.cc

@@ -685,10 +685,8 @@ TEST_F(UserMediaClientTest, GenerateTwoMediaStreamsWithSameSource) {
   EXPECT_EQ(desc1_audio_components[0]->Source()->Id(),
             desc2_audio_components[0]->Source()->Id());
 
-  EXPECT_EQ(MediaStreamAudioSource::From(
-                WebMediaStreamSource(desc1_audio_components[0]->Source())),
-            MediaStreamAudioSource::From(
-                WebMediaStreamSource(desc2_audio_components[0]->Source())));
+  EXPECT_EQ(MediaStreamAudioSource::From(desc1_audio_components[0]->Source()),
+            MediaStreamAudioSource::From(desc2_audio_components[0]->Source()));
 }
 
 // Test that the same source object is not used if two MediaStreams are
@@ -713,10 +711,8 @@ TEST_F(UserMediaClientTest, GenerateTwoMediaStreamsWithDifferentSources) {
   EXPECT_NE(desc1_audio_components[0]->Source()->Id(),
             desc2_audio_components[0]->Source()->Id());
 
-  EXPECT_NE(MediaStreamAudioSource::From(
-                WebMediaStreamSource(desc1_audio_components[0]->Source())),
-            MediaStreamAudioSource::From(
-                WebMediaStreamSource(desc2_audio_components[0]->Source())));
+  EXPECT_NE(MediaStreamAudioSource::From(desc1_audio_components[0]->Source()),
+            MediaStreamAudioSource::From(desc2_audio_components[0]->Source()));
 }
 
 TEST_F(UserMediaClientTest, StopLocalTracks) {