Update Bind to match its comments and always capture by value.

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

Index: talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
diff --git a/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc b/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
index 3bbf6827f52ded2a38f03c5f2bd91ce1cb1d8748..fed5746adb08e727d241f0ce9d3a0721580abb5b 100644
--- a/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
+++ b/talk/app/webrtc/java/jni/androidmediaencoder_jni.cc
@@ -119,7 +119,7 @@ class MediaCodecVideoEncoder : public webrtc::VideoEncoder,
   // (makes it easier to reason about thread-safety).
   int32_t InitEncodeOnCodecThread(int width, int height, int kbps, int fps);
   int32_t EncodeOnCodecThread(
-      const webrtc::VideoFrame& input_image,
+      const webrtc::VideoFrame* input_image,
       const std::vector<webrtc::FrameType>* frame_types);
   int32_t RegisterEncodeCompleteCallbackOnCodecThread(
       webrtc::EncodedImageCallback* callback);
@@ -339,7 +339,7 @@ int32_t MediaCodecVideoEncoder::Encode(
     const webrtc::CodecSpecificInfo* /* codec_specific_info */,
     const std::vector<webrtc::FrameType>* frame_types) {
   return codec_thread_->Invoke<int32_t>(Bind(
-      &MediaCodecVideoEncoder::EncodeOnCodecThread, this, frame, frame_types));
+      &MediaCodecVideoEncoder::EncodeOnCodecThread, this, &frame, frame_types));
 }
 
 int32_t MediaCodecVideoEncoder::RegisterEncodeCompleteCallback(
@@ -499,7 +499,7 @@ int32_t MediaCodecVideoEncoder::InitEncodeOnCodecThread(
 }
 
 int32_t MediaCodecVideoEncoder::EncodeOnCodecThread(
-    const webrtc::VideoFrame& frame,
+    const webrtc::VideoFrame* frame,
     const std::vector<webrtc::FrameType>* frame_types) {
   CheckOnCodecThread();
   JNIEnv* jni = AttachCurrentThreadIfNeeded();
@@ -523,10 +523,10 @@ int32_t MediaCodecVideoEncoder::EncodeOnCodecThread(
   RTC_CHECK(frame_types->size() == 1) << "Unexpected stream count";
   // Check framerate before spatial resolution change.
   if (scale_)
-    quality_scaler_.OnEncodeFrame(frame);
+    quality_scaler_.OnEncodeFrame(*frame);
 
   const VideoFrame& input_frame =
-      scale_ ? quality_scaler_.GetScaledFrame(frame) : frame;
+      scale_ ? quality_scaler_.GetScaledFrame(*frame) : *frame;
 
   if (input_frame.width() != width_ || input_frame.height() != height_) {
     ALOGD << "Frame resolution change from " << width_ << " x " << height_ <<