Revert of Android: Remove VideoCapturer

webrtc/api/java/src/org/webrtc/VideoCapturer.java

Index: webrtc/api/java/src/org/webrtc/VideoCapturer.java
diff --git a/webrtc/api/java/src/org/webrtc/VideoCapturer.java b/webrtc/api/java/src/org/webrtc/VideoCapturer.java
new file mode 100644
index 0000000000000000000000000000000000000000..9a479a3d074127287e979c0233fd379f47f45070
--- /dev/null
+++ b/webrtc/api/java/src/org/webrtc/VideoCapturer.java
@@ -0,0 +1,45 @@
+/*
+ *  Copyright 2013 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.
+ */
+
+package org.webrtc;
+
+/** Java version of cricket::VideoCapturer. */
+// TODO(perkj): Merge VideoCapturer and VideoCapturerAndroid.
+public class VideoCapturer {
+  private long nativeVideoCapturer;
+
+  protected VideoCapturer() {
+  }
+
+  // Sets |nativeCapturer| to be owned by VideoCapturer.
+  protected void setNativeCapturer(long nativeCapturer) {
+    this.nativeVideoCapturer = nativeCapturer;
+  }
+
+  // Package-visible for PeerConnectionFactory.
+  long takeNativeVideoCapturer() {
+    if (nativeVideoCapturer == 0) {
+      throw new RuntimeException("Capturer can only be taken once!");
+    }
+    long ret = nativeVideoCapturer;
+    nativeVideoCapturer = 0;
+    return ret;
+  }
+
+  public void dispose() {
+    // No-op iff this capturer is owned by a source (see comment on
+    // PeerConnectionFactoryInterface::CreateVideoSource()).
+    if (nativeVideoCapturer != 0) {
+      free(nativeVideoCapturer);
+    }
+  }
+
+  private static native void free(long nativeVideoCapturer);
+}