Revert of Made EglBase an abstract class and cleaned up.

talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java

Index: talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java
diff --git a/talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java b/talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java
index 93d4c0433c7306340c654bfb9c92664ceb7f000e..e9e95abedfd379e68fc50b495ff1d3dc8f74ce1e 100644
--- a/talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java
+++ b/talk/app/webrtc/java/android/org/webrtc/VideoRendererGui.java
@@ -415,8 +415,13 @@
     eglContextReady = eglContextReadyCallback;
   }
 
+  @Deprecated
+  public static synchronized EGLContext getEGLContext() {
+    return eglContext;
+  }
+
   public static synchronized EglBase.Context getEglBaseContext() {
-    return new EglBase10.Context(eglContext);
+    return new EglBase.Context(eglContext);
   }
 
   /** Releases GLSurfaceView video renderer. */