Revert of Made EglBase an abstract class and cleaned up.

talk/app/webrtc/java/jni/peerconnection_jni.cc

Index: talk/app/webrtc/java/jni/peerconnection_jni.cc
diff --git a/talk/app/webrtc/java/jni/peerconnection_jni.cc b/talk/app/webrtc/java/jni/peerconnection_jni.cc
index f44498443b408ead137500aa6e19c21c8f3e4f43..c5de9654743e7d4e39eb6ddd1bbaaf8fe87ae5cb 100644
--- a/talk/app/webrtc/java/jni/peerconnection_jni.cc
+++ b/talk/app/webrtc/java/jni/peerconnection_jni.cc
@@ -1365,12 +1365,40 @@
   OwnedFactoryAndThreads* owned_factory =
       reinterpret_cast<OwnedFactoryAndThreads*>(native_factory);
 
+  // TODO(perkj): In order to not break existing applications we need to
+  // check if |local_egl_context| or |remote_egl_context| is an
+  // EGL10 context. If so, create an EGLBase10.EGL10Context instead.
+  // Remove this once existing applications has been updated.
+  jobject local_eglbase_context = local_egl_context;
+  jobject remote_eglbase_context = remote_egl_context;
+
+  jclass j_egl10_context_class =
+      FindClass(jni, "javax/microedition/khronos/egl/EGLContext");
+  jclass j_eglbase_context_class =
+      FindClass(jni, "org/webrtc/EglBase$Context");
+
+  jmethodID j_eglbase_context_ctor = GetMethodID(
+      jni, j_eglbase_context_class,
+      "<init>", "(Ljavax/microedition/khronos/egl/EGLContext;)V");
+  if (local_egl_context != nullptr &&
+      jni->IsInstanceOf(local_egl_context, j_egl10_context_class)) {
+    local_eglbase_context = jni->NewObject(
+        j_eglbase_context_class, j_eglbase_context_ctor,
+        local_egl_context);
+  }
+  if (remote_egl_context != nullptr &&
+      jni->IsInstanceOf(remote_egl_context, j_egl10_context_class)) {
+    remote_eglbase_context = jni->NewObject(
+        j_eglbase_context_class, j_eglbase_context_ctor,
+        remote_egl_context);
+  }
+
   MediaCodecVideoEncoderFactory* encoder_factory =
       static_cast<MediaCodecVideoEncoderFactory*>
           (owned_factory->encoder_factory());
   if (encoder_factory) {
     LOG(LS_INFO) << "Set EGL context for HW encoding.";
-    encoder_factory->SetEGLContext(jni, local_egl_context);
+    encoder_factory->SetEGLContext(jni, local_eglbase_context);
   }
 
   MediaCodecVideoDecoderFactory* decoder_factory =
@@ -1378,7 +1406,7 @@
           (owned_factory->decoder_factory());
   if (decoder_factory) {
     LOG(LS_INFO) << "Set EGL context for HW decoding.";
-    decoder_factory->SetEGLContext(jni, remote_egl_context);
+    decoder_factory->SetEGLContext(jni, remote_eglbase_context);
   }
 #endif
 }