(3) Rename files to snake_case: move the files

Mechanically generated with this command:

tools_webrtc/do-rename.sh move all-renames.txt

Bug: webrtc:10159
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I8b05b6eab9b9d18b29c2199bbea239e9add1e690
Reviewed-on: https://webrtc-review.googlesource.com/c/115481
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26225}

sdk/android/native_api/video/video_source.h

@@ -0,0 +1,41 @@
+/*
+ *  Copyright 2018 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef SDK_ANDROID_NATIVE_API_VIDEO_VIDEOSOURCE_H_
+#define SDK_ANDROID_NATIVE_API_VIDEO_VIDEOSOURCE_H_
+
+#include <jni.h>
+
+#include "api/mediastreaminterface.h"
+#include "rtc_base/thread.h"
+#include "sdk/android/native_api/jni/scoped_java_ref.h"
+
+namespace webrtc {
+
+// Interface for class that implements VideoTrackSourceInterface and provides a
+// Java object that can be used to feed frames to the source.
+class JavaVideoTrackSourceInterface : public VideoTrackSourceInterface {
+ public:
+  // Returns CapturerObserver object that can be used to feed frames to the
+  // video source.
+  virtual ScopedJavaLocalRef<jobject> GetJavaVideoCapturerObserver(
+      JNIEnv* env) = 0;
+};
+
+// Creates an instance of JavaVideoTrackSourceInterface,
+rtc::scoped_refptr<JavaVideoTrackSourceInterface> CreateJavaVideoSource(
+    JNIEnv* env,
+    rtc::Thread* signaling_thread,
+    bool is_screencast,
+    bool align_timestamps);
+
+}  // namespace webrtc
+
+#endif  // SDK_ANDROID_NATIVE_API_VIDEO_VIDEOSOURCE_H_