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