Revert of Add EncodedImageCallback::OnEncodedImage().

webrtc/modules/video_coding/video_coding_impl.cc

Index: webrtc/modules/video_coding/video_coding_impl.cc
diff --git a/webrtc/modules/video_coding/video_coding_impl.cc b/webrtc/modules/video_coding/video_coding_impl.cc
index 2f709b610c1453a6e8fc9415042189a9f03ddae2..077f3368a33446a1ade6bdde581fbddd415bc62d 100644
--- a/webrtc/modules/video_coding/video_coding_impl.cc
+++ b/webrtc/modules/video_coding/video_coding_impl.cc
@@ -45,8 +45,7 @@
 class EncodedImageCallbackWrapper : public EncodedImageCallback {
  public:
   EncodedImageCallbackWrapper()
-      : cs_(CriticalSectionWrapper::CreateCriticalSection()),
-        callback_(nullptr) {}
+      : cs_(CriticalSectionWrapper::CreateCriticalSection()), callback_(NULL) {}
 
   virtual ~EncodedImageCallbackWrapper() {}
 
@@ -55,15 +54,14 @@
     callback_ = callback;
   }
 
-  virtual Result OnEncodedImage(const EncodedImage& encoded_image,
-                                const CodecSpecificInfo* codec_specific_info,
-                                const RTPFragmentationHeader* fragmentation) {
+  virtual int32_t Encoded(const EncodedImage& encoded_image,
+                          const CodecSpecificInfo* codec_specific_info,
+                          const RTPFragmentationHeader* fragmentation) {
     CriticalSectionScoped cs(cs_.get());
-    if (callback_) {
-      return callback_->OnEncodedImage(encoded_image, codec_specific_info,
-                                       fragmentation);
-    }
-    return Result(Result::ERROR_SEND_FAILED);
+    if (callback_)
+      return callback_->Encoded(encoded_image, codec_specific_info,
+                                fragmentation);
+    return 0;
   }
 
  private: